APA-referens (7:e uppl.)

Winterling, A., Schneider, D. L., Most, G. W., & Psoinos, P. (2011). Caligula: A biography. University of California Press.

Chicago-referens (17:e uppl.)

Winterling, Aloys, Deborah Lucas Schneider, Glenn W. Most, och Paul Psoinos. Caligula: A Biography. Berkeley: University of California Press, 2011.

MLA-referens (9:e uppl.)

Winterling, Aloys, et al. Caligula: A Biography. University of California Press, 2011.