APA (7th ed.) Citation

Oppenheim, A. L. (1967). Essay on Overland Trade in the First Millennium B.C.

Chicago Style (17th ed.) Citation

Oppenheim, A. Leo. Essay on Overland Trade in the First Millennium B.C. 1967.

MLA (8th ed.) Citation

Oppenheim, A. Leo. Essay on Overland Trade in the First Millennium B.C. 1967.

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