APA (7th ed.) Citation

Cicero, M. T. 1. v. v., & MacGregor, H. C. (1972). The nature of the gods. Penguin Books.

Chicago Style (17th ed.) Citation

Cicero, Marcus Tullius 106 v.Chr.-43 v.Chr, and Horace C. MacGregor. The Nature of the Gods. Harmondsworth, Middlesex: Penguin Books, 1972.

MLA (8th ed.) Citation

Cicero, Marcus Tullius 106 v.Chr.-43 v.Chr, and Horace C. MacGregor. The Nature of the Gods. Penguin Books, 1972.