Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

Ribeiro, D. (1968). The civilizational process. Washington,: Smithsonian Institution Press.

Chicago Zitierstil

Ribeiro, Darcy. The Civilizational Process. Washington,: Smithsonian Institution Press, 1968.

MLA Zitierstil

Ribeiro, Darcy. The Civilizational Process. Washington,: Smithsonian Institution Press, 1968.