APA (7th ed.) Citation

Xenophon, Warner, R., & Cawkwell, G. (1972). The Persian expedition. Penguin Books.

Chicago Style (17th ed.) Citation

Xenophon, Rex Warner, and George Cawkwell. The Persian Expedition. [Harmondsworth, Eng., Baltimore]: Penguin Books, 1972.

MLA (8th ed.) Citation

Xenophon, et al. The Persian Expedition. Penguin Books, 1972.