APA (7th ed.) Citation

Steffen, R. (1967). Horsemen through civilization. Western Horseman.

Chicago Style (17th ed.) Citation

Steffen, Randy. Horsemen Through Civilization. Colorado Springs: Western Horseman, 1967.

MLA (9th ed.) Citation

Steffen, Randy. Horsemen Through Civilization. Western Horseman, 1967.

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