APA (7th ed.) Citation

Boardman, J. (1973). The Greeks overseas: The archaeology of their early colonies and trade (2. ed.). Penguin books.

Chicago Style (17th ed.) Citation

Boardman, John. The Greeks Overseas: The Archaeology of Their Early Colonies and Trade. 2. ed. Harmondsworth u.a: Penguin books, 1973.

MLA (9th ed.) Citation

Boardman, John. The Greeks Overseas: The Archaeology of Their Early Colonies and Trade. 2. ed. Penguin books, 1973.