Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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