Cita APA (7a ed.)

George, H. (1898). The Science of political economy. Doubleday & McClure.

Cita Chicago Style (17a ed.)

George, Henry. The Science of Political Economy. New York (N.Y.): Doubleday & McClure, 1898.

Cita MLA (9a ed.)

George, Henry. The Science of Political Economy. Doubleday & McClure, 1898.