APA (7th ed.) Citation

Boardman, J. (1968). The Greeks overseas (1. publ., reprinted.). Penguin Books.

Chicago Style (17th ed.) Citation

Boardman, John. The Greeks Overseas. 1. publ., reprinted. Harmondsworth: Penguin Books, 1968.

MLA (9th ed.) Citation

Boardman, John. The Greeks Overseas. 1. publ., reprinted. Penguin Books, 1968.