Capitalize each word in the title of the journal. Write the volume number (e.g., 8) and title in italics. The title of the article is in sentence case, which means the first word is capitalized, as are any proper names and, any words following a colon
Light, M. A., & Light, I. H. (2008). The geographic expansion of Mexican immigration in the United States and its implications for local law enforcement. Law Enforcement Executive Forum Journal, 8(1), 78-82.
(American Psychological Association, 2010, p. 185)