APA (7th ed.) Citation

Ferrill, A. (1991). Caligula: Emperor of Rome (1. publ. in the United States.). Thames and Hudson.

Chicago Style (17th ed.) Citation

Ferrill, Arther. Caligula: Emperor of Rome. 1. publ. in the United States. New York, NY: Thames and Hudson, 1991.

MLA (9th ed.) Citation

Ferrill, Arther. Caligula: Emperor of Rome. 1. publ. in the United States. Thames and Hudson, 1991.

Warning: These citations may not always be 100% accurate.