How To State An Opinion In Essay Cite

How to Quote a Source

Introducing a quotation

One of your jobs as a writer is to guide your reader through your text. Don't simply drop quotations into your paper and leave it to the reader to make connections.

Integrating a quotation into your text usually involves two elements:

  • A signal that a quotation is coming--generally the author's name and/or a reference to the work

  • An assertion that indicates the relationship of the quotation to your text

Often both the signal and the assertion appear in a single introductory statement, as in the example below. Notice how a transitional phrase also serves to connect the quotation smoothly to the introductory statement.

Ross (1993), in her study of poor and working-class mothers in London from 1870-1918 [signal], makes it clear that economic status to a large extent determined the meaning of motherhood [assertion]. Among this population [connection], "To mother was to work for and organize household subsistence" (p. 9).

The signal can also come after the assertion, again with a connecting word or phrase:

Illness was rarely a routine matter in the nineteenth century [assertion]. As [connection] Ross observes [signal], "Maternal thinking about children's health revolved around the possibility of a child's maiming or death" (p. 166).


Formatting Quotations

Short direct prose

Incorporate short direct prose quotations into the text of your paper and enclose them in double quotation marks:

According to Jonathan Clarke, "Professional diplomats often say that trying to think diplomatically about foreign policy is a waste of time." 1

Longer prose quotations

Begin longer quotations (for instance, in the APA system, 40 words or more) on a new line and indent the entire quotation (i.e., put in block form), with no quotation marks at beginning or end, as in the quoted passage from our Successful vs. Unsucessful Paraphrases page.

Rules about the minimum length of block quotations, how many spaces to indent, and whether to single- or double-space extended quotations vary with different documentation systems; check the guidelines for the system you're using.


Quotation of Up to 3 Lines of Poetry

Quotations of up to 3 lines of poetry should be integrated into your sentence. For example:

In Julius Caesar, Antony begins his famous speech with "Friends, Romans, Countrymen, lend me your ears; / I come to bury Caesar, not to praise him" (III.ii.75-76).

Notice that a slash (/) with a space on either side is used to separate lines.

Quotation of More than 3 Lines of Poetry

More than 3 lines of poetry should be indented. As with any extended (indented) quotation, do not use quotation marks unless you need to indicate a quotation within your quotation.


Punctuating with Quotation Marks

Parenthetical citations

With short quotations, place citations outside of closing quotation marks, followed by sentence punctuation (period, question mark, comma, semi-colon, colon):

Menand (2002) characterizes language as "a social weapon" (p. 115).

With block quotations, check the guidelines for the documentation system you are using.

Commas and periods

Place inside closing quotation marks when no parenthetical citation follows:

Hertzberg (2002) notes that "treating the Constitution as imperfect is not new," but because of Dahl's credentials, his "apostasy merits attention" (p. 85).

Semicolons and colons

Place outside of closing quotation marks (or after a parenthetical citation).

Question marks and exclamation points

Place inside closing quotation marks if the quotation is a question/exclamation:

Menand (2001) acknowledges that H. W. Fowler's Modern English Usage is "a classic of the language," but he asks, "Is it a dead classic?" (p. 114).

[Note that a period still follows the closing parenthesis.]

Place outside of closing quotation marks if the entire sentence containing the quotation is a question or exclamation:

How many students actually read the guide to find out what is meant by "academic misconduct"?

Quotation within a quotation

Use single quotation marks for the embedded quotation:

According to Hertzberg (2002), Dahl gives the U. S. Constitution "bad marks in 'democratic fairness' and 'encouraging consensus'" (p. 90).

[The phrases "democratic fairness" and "encouraging consensus" are already in quotation marks in Dahl's sentence.]


Indicating Changes in Quotations

Quoting Only a Portion of the Whole

Use ellipsis points (. . .) to indicate an omission within a quotation--but not at the beginning or end unless it's not obvious that you're quoting only a portion of the whole.

Adding Clarification, Comment, or Correction

Within quotations, use square brackets [ ] (not parentheses) to add your own clarification, comment, or correction.

Use [sic] (meaning "so" or "thus") to indicate that a mistake is in the source you're quoting and is not your own.



1. "The Conceptual Poverty of U.S. Foreign Policy," Atlantic, September 1993, 55.



Author’s Name

Paragraph One: Introduction

Three reasons for my opinion

Thesis statement

Paragraph Two: Develops the first reason by giving examples

Topic Sentence

Paragraph Three:

Topic Sentence

Develops the second reason, giving facts and statistics to support the statement.

Paragraph Four:

Topic sentence

Develops third reason, giving an example

Paragraph Five: Conclusion

Restatement of thesis

Summary of reasons

Why You Should Vaccinate Your Kids

sample essay for student use by Trudy Morgan-Cole

Since Edward Jenner introduced the first successful smallpox vaccine by injecting an eight-year-old boy with cowpox pus in 1796, vaccines have been an important part of public health care around the world (“Edward Jenner”). Yet today, many parents choose not to vaccinate their children. Because vaccines are widely supported by research, have few side effects, and have proven successful in halting the spread of disease, I believe it is important that all parents continue to vaccinate their children.

All major health organizations, including the Centres for Disease Control and the World Health Organization, recommend vaccination. The value of vaccination is supported by research from around the world, and researchers are constantly working to improve the safety and effectiveness of vaccines. Epidemiologists, the scientists whose job is to study the outbreak of disease, all recommend vaccination.

Many parents worry about the safety of vaccines. While side effects do occur, they are usually minor, like redness or swelling around the site of an injection. In Canada, only about one in a million doses of vaccine leads to serious side effects (“Fact and Fiction”). The most famous study linking vaccines to autism, one which got many parents worried about vaccination, has been proven false and the doctor who conducted the study has had his medical license taken away (Triggle).

Around the world, increased vaccination leads to better public health. Diseases like smallpox and polio which once killed and disabled millions of people are virtually unknown today thanks to immunization programs. Yet in countries like Afghanistan and Pakistan where the Taliban discourage immunization, rates of polio are on the rise again (Nordland).

If and when you have children, please get them vaccinated. The risks are minimal and you’ll not only be following the best advice of medical science and protecting your own child from disease; you’ll be helping in the fight to eradicate infectious diseases in your community and around the world.

Sources Cited

“Edward Jenner (1749-1823),” BBC History: Historic Figures.

“Immunization Fact and Fiction,” Public Health Agency of Canada.

Nordland, Rod, “After Year of Decline, PolioCases in Afghanistan Triple in a Year.” The New York Times, Jan. 17, 2012.

Triggle, Nick, “MMR Doctor Struck from Register,” BBC News.

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