DOI numbers are now required for APA citation if they are available.

For example, imagine that you found a quotation from Culver that you wish to use in your text; however, you found this information in Jones and were unable to locate the original source by Culver. For this reference, Culver would be the primary source, and Jones would be the secondary source. You will name the primary source in your text, but the reference and in-text citations will credit the secondary source:

According to Culver (as cited in Jones, 2009), learning APA "can be tough, but like any skill, it just takes practice" (p. 23). In addition, the mastery of APA increases an author's chance of scoring well on an assignment (Culver, as cited in Jones, 2009).

The basic format for APA in-text citation is as follows:

Citation Machine: APA format citation generator for book
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Citation Machine: APA format citation generator for website

APA reference lists only include works that can be found by the reader. As a personal interview is not published or “findable,” it should not be included in an APA reference list. Instead, a personal interview should be referenced as a parenthetical citation. For example: (J. Smith, personal communication, May 17, 2008).

Citation Machine: Format & Generate Citations – APA, MLA, & Chicago

While writing a research paper, it is always important to give credit and cite your source, acknowledging ideas and research that you’ve used in your work. Not doing so , possibly leading to a failed grade or loss of a job. APA format is one of the most commonly used citation styles used for this purpose. Here are all of our comprehensive guides on how to cite various sources in APA format.

(Above information from The. This is APA's official blog and their staff provides excellent examples on APA formatting/citations.)
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This comprehensive guide covers almost every citation source type you can imagine. Sections in this guide cover your basics such as “How to cite a book in APA format” all the way to “How to cite Videos in APA Format.” Check this guide for all the details on everything related to APA Citation Styles.Use the following template to cite a book using the APA citation format. We also provide style guides for the , , and styles. To have your bibliography or works cited list automatically made for you, .Use the following template to cite an interview using the APA citation format. We also provide style guides for the , , and styles. To have your bibliography or works cited list automatically made for you, . The APA citation style was developed by the American Psychological Association, and it is the standardized method for formatting APA citations in the reference page in the field of social sciences, particularly in psychology, criminology, education, business, and the nursing profession. If you are a psychology or a business management student, you instructor will likely require you to convert your references into APA citations. For more information visit

BibMe: Generate APA book citations for your bibliography

Select from one of the source types below to start creating the perfect citation in APA format. We also have a powerful automatic APA citation generator. To begin just check out our

APA Citation Style: The basics of formatting - EasyBib

For the subsequent in-text citations we would usually abbreviate these studies to the first author name plus et al.; however, doing so here would produce two Marewski et al. (2010) citations, leaving the reader unable to tell which one you mean (if the citations were from different years we would not have this problem, because the years would tell them apart). The solution here is to spell out as many names as necessary (here, to the third name) upon subsequent citations to tell the two apart:

APA Citation Style: How to format a chapter citation - EasyBib

Please note that a citation as it appears in a library database is not in APA format. The database citation contains elements that you need for your APA reference citation, such as the article title, journal title, volume number, and so forth. But in the database these elements are not formatted according to APA style. You have to change the database citation so that, when you put it in your References list, the citation will be in APA style.