APA-viite

Roll, C. W., & Cantril, A. H. Polls: Their use and misuse in politics.

Chicago-tyylinen lähdeviittaus

Roll, Charles W., ja Albert H. Cantril. Polls: Their Use and Misuse in Politics.

MLA-viite

Roll, Charles W., ja Albert H. Cantril. Polls: Their Use and Misuse in Politics.