APA reference list example: Poster session at a conference. The authors are listed by last names and initials, separated by an ampersand: Wang, Z., & Keogh, T. The date is listed by year and month in parentheses: (2008, June). The title of the presentation is italicized and is followed by a period: A click away: Student response to clickers. The words “Poster session presented at” are followed by the title and location of the meeting: the annual conference of the American Library Association, Anaheim, C A.