how to write apa in text citation

References
APA style has specific rules for citing works by multiple authors. Use the following guidelines to determine how to correctly cite works by multiple authors in text. For more information on citing works by multiple authors see the APA Style and Grammar Guidelines page on in-text citation.

Remember, you do not have to use the entire title in your in-text citation APA no author. You can use only the first few words from the reference list.
Say you had the two sources below:

Groups
If the quotation is less than 40 words incorporate it into the text and enclose the quotation with quotation marks. Cite the source immediately after the close of the quotation marks.

If the source uses headings, cite the heading and the paragraph number following it. Long headings may be shortened, but then they should be enclosed in quotation marks.
To differentiate between two publications from the same author published in the same year, add a suffix after the publication year.

One study found that “the listener’s familiarity with the topic of discourse greatly facilitates the interpretation of the entire message” (Gass & Varonis, 1984, p. 85).
APA style has specific rules for citing works by multiple authors. Use the following guidelines to determine how to correctly cite works by multiple authors in text. See pages 174-176 of the manual.

References:

http://www.jcme.ca/guides/citation-guides/apa-format/apa-in-text-citation/
http://www.citefast.com/styleguide.php?style=APA&sec=inte
http://www.jcme.ca/apa-style/in-text-citation/
http://uscmed.sc.libguides.com/c.php?g=477787&p=3266941
http://jcme.ca/