Winterling, A., Schneider, D. L., Most, G. W., & Psoinos, P. (2011). Caligula: A biography. University of California Press.
Čikaški stil citiranja (17. izdanje)Winterling, Aloys, Deborah Lucas Schneider, Glenn W. Most, i Paul Psoinos. Caligula: A Biography. Berkeley: University of California Press, 2011.
MLA način citiranja (9. izdanje)Winterling, Aloys, et al. Caligula: A Biography. University of California Press, 2011.
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