APA (7th ed.) Zitazioa

(1967). Beyond the frontier: Social process and cultural change. The Natural History Pr.

Chicago Style (17th ed.) Zitazioa

Beyond the Frontier: Social Process and Cultural Change. New York: The Natural History Pr, 1967.

MLA (9th ed.) Zitazioa

Beyond the Frontier: Social Process and Cultural Change. The Natural History Pr, 1967.