APA (7th ed.) Citation

Xenophon & Warner, R. (1949). The Persian expedition. Penguin books.

Chicago Style (17th ed.) Citation

Xenophon and Rex Warner. The Persian Expedition. Harmondsworth: Penguin books, 1949.

MLA (9th ed.) Citation

Xenophon and Rex Warner. The Persian Expedition. Penguin books, 1949.

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