Begin the parenthetical in-text citation by listing the last name of the author followed by a comma. For example:
Doe,
If the work you are citing has between two and five authors, list all of their last names. For example:
Doe, Smith, Jones, Brown, & Greene,
If there are more than six authors, list the first author's name followed by the Latin phrase "et al." For example:
Doe et al.,
Continue to build the parenthetical citation by placing the year of publication after the author's last name followed by a comma. For example:
Doe & Smith, 1998,
If no year of publication is given for the source, use "n.d." for "no date." For example:
Doe & Smith, n.d.,
Finish your APA-style citation with the page number. For example:
Doe & Smith, 1998, p. 14
If you are citing a source that has no page numbers, such as a website, it may be useful to include a paragraph number. For example:
Doe & Smith, 1998, para. 14
Enclose your citation in parentheses, and position it directly after a quoted or paraphrased passage. Place it before the period. For example:
Scientists working in the late 90s believed that ethanol was "truly the skeleton key to our future" (Doe & Smith, 1998, p. 14).
When you have already stated the author's name or authors' names within the text, you do not need to repeat it in your citation. When this occurs, cite the year of publication after the names of the authors, and the page number after the quote or paraphrase. For example:
Doe & Smith (1998) believed that ethanol was "truly the skeleton key to our future" (p. 14).