APA (7th ed.) Citation

Livy, De Selincourt, & Radice. (1965). The war with Hannibal: Books xxi-xxx of the History of Rome from its foundation. Penguin Books.

Chicago Style (17th ed.) Citation

Livy, De Selincourt, and Radice. The War with Hannibal: Books Xxi-xxx of the History of Rome from Its Foundation. England: Penguin Books, 1965.

MLA (8th ed.) Citation

Livy, et al. The War with Hannibal: Books Xxi-xxx of the History of Rome from Its Foundation. Penguin Books, 1965.