APA reference list example: Abstract of a journal article. The author is listed by last name and initial. Lahm, K. The year is listed in parentheses followed by a period: (2008). The article title is Inmate-on-inmate assault: A multilevel examination of prison violence followed by no punctuation. The label is listed in brackets followed by a period: [Abstract]. The journal title is italicized and is followed by a comma: Criminal Justice and Behavior, The volume is italicized and issue number is in parentheses and is not italicized, followed by a comma: 35(1), The pages cited are followed by a period: 120-137.