Cita APA (7th ed.)

Lichtheim, G. (1969). The origins of socialism. Frederick A. Praeger.

Cita Chicago (17th ed.)

Lichtheim, George. The Origins of Socialism. Nueva York: Frederick A. Praeger, 1969.

Cita MLA (9th ed.)

Lichtheim, George. The Origins of Socialism. Frederick A. Praeger, 1969.