Cita APA

Quigley, C. (1961). The Evolution of Civilizations: An introduction to historical analysis. New York: Macmillan.

Chicago Style Citation

Quigley, Carroll. The Evolution of Civilizations: An Introduction to Historical Analysis. New York: Macmillan, 1961.

Cita MLA

Quigley, Carroll. The Evolution of Civilizations: An Introduction to Historical Analysis. New York: Macmillan, 1961.

Atenció: Aquestes cites poden no estar 100% correctes.