Cita APA (7th ed.)
Coulborn, R., & Kroeber, A. L. (1956). Feudalism in history. Princeton University Press.
Cita Chicago (17th ed.)
Coulborn, Rushton, i Alfred Louis Kroeber. Feudalism in History. Princeton (NJ): Princeton University Press, 1956.
Cita MLA (9th ed.)
Coulborn, Rushton, i Alfred Louis Kroeber. Feudalism in History. Princeton University Press, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.