Cita APA

Newcomb, S. (1966). Principles of political economy. New York: Harper & Brothers.

Chicago Style Citation

Newcomb, Simon. Principles of Political Economy. New York: Harper & Brothers, 1966.

Cita MLA

Newcomb, Simon. Principles of Political Economy. New York: Harper & Brothers, 1966.

Atenció: Aquestes cites poden no estar 100% correctes.