APA (7th ed.) Zitazioa

Edited by Sommers, L. M. (1967). Cultural Geography: Selected readings. Thomas Y. Crowell Co..

Chicago Style (17th ed.) Zitazioa

Edited by Sommers, Lawrence M. Cultural Geography: Selected Readings. New York: Thomas Y. Crowell Co., 1967.

MLA (9th ed.) Zitazioa

Edited by Sommers, Lawrence M. Cultural Geography: Selected Readings. Thomas Y. Crowell Co., 1967.