Cita APA

Lichtheim, G. (1972). Europe in the twentieth century. Praeger Publishers.

Chicago Edition Citation

Lichtheim, George. Europe in the Twentieth Century. New York: Praeger Publishers, 1972.

Cita MLA

Lichtheim, George. Europe in the Twentieth Century. Praeger Publishers, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.