In-text citation
A handbook designed to educate doctors on obesity recommended a notably nonmedical course of action, calling for “major changes in some aspects of western culture” (Hoppin & Taveras, 2004, Conclusion section, para. 1).
Explain
Cite a Web source as you would any other document (using the author-date style).
When a Web source lacks stable numbered pages, your citation should include—if possible—information that will help readers locate the particular passage being cited.
When a Web source has numbered paragraphs, use the paragraph number preceded by the abbreviation “para.”: (Hall, 2001, para. 5).
If neither a page nor a paragraph number is given and the document contains headings (as in the in-text example here), cite the appropriate heading and indicate which paragraph under that heading you are referring to.
Reference list entry
Hoppin, A. G., & Taveras, E. M. (2004, June 25). Assessment and management of childhood and adolescent obesity. Clinical Update. Retrieved from http://www.medscape.com/viewarticle/481633
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Directory to APA in-text citation models
Exercise: APA documentation: in-text citations 1
Exercise: APA documentation: in-text citations 2
Exercise: APA documentation: in-text citations 3