APA (7th ed.) Citation

Suetonius, c. 6. 1., Graves, R., & Grant, M. (1979). The twelve Caesars (Revised ed.). Penguin.

Chicago Style (17th ed.) Citation

Suetonius, ca. 69-approximately 122, Robert Graves, and Michael Grant. The Twelve Caesars. Revised ed. Harmondsworth ; New York [etc.]: Penguin, 1979.

MLA (8th ed.) Citation

Suetonius, ca. 69-approximately 122, et al. The Twelve Caesars. Revised ed. Penguin, 1979.