APA requires that the author's last name and the document's date of publication be included in all in-text citations.
Note: Unless you are providing a direct quote, you do not need to include page numbers.
Cite both authors when referencing the work.
The first time that you reference the work, cite all authors and the publication date. In all references after that, you only need to cite the first author followed by "et al.".
Cite only the first author, followed by "et al." and the year.
When a source has no named author, cite the first words of the reference (usually the title). Use quotes for articles, websites, etc., and italics for periodical titles, books, reports, and the like.
Note: court cases, statutes, legislation, etc. are treated as authorless works.
A quotation is usually considered "short" if it is less than 39 words. Short quotations should adhere to the following rules:
A quotation is considered "long" if it is 40 words or more. Long quotations should adhere to the following rules:
Jones's (1998) study found the following:
Students often had difficulty using APA style, especially when it was their first time citing sources. This difficulty could be attributed to the fact that many students failed to purchase a style manual or to ask their teacher for help. (p. 199)
The citation examples on this page and on subsequent pages have been borrowed from the Purdue Online Writing Lab (https://owl.english.purdue.edu/owl/resource/560/1/), and from the Defiance College Pilgrim Library Writing Center APA Style Guide (http://library.defiance.edu/c.php?g=333902&p=2243144).