APA (7th ed.) Citation

Oppenheim, A. L. (1967). Letters from Mesopotamia.

Chicago Style (17th ed.) Citation

Oppenheim, A. Leo. Letters from Mesopotamia. Chicago, Ill./London, 1967.

MLA (8th ed.) Citation

Oppenheim, A. Leo. Letters from Mesopotamia. 1967.

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