APA (7th ed.) Citation

Sauer, C. O. (1952). Agricultural origins and dispersals. American Geographical Society.

Chicago Style (17th ed.) Citation

Sauer, Carl Ortwin. Agricultural Origins and Dispersals. New York: American Geographical Society, 1952.

MLA (9th ed.) Citation

Sauer, Carl Ortwin. Agricultural Origins and Dispersals. American Geographical Society, 1952.