APA-referens (7:e uppl.)

Williams, M. E. (2002). The death penalty. Greenhaven Press.

Chicago-referens (17:e uppl.)

Williams, Mary E. The Death Penalty. San Diego, Calif: Greenhaven Press, 2002.

MLA-referens (9:e uppl.)

Williams, Mary E. The Death Penalty. Greenhaven Press, 2002.