Cita APA

Morgenthau, H. J. (1960). The purpose of American politics. Knopf.

Citación estilo Chicago

Morgenthau, Hans Joachim. The Purpose of American Politics. New York: Knopf, 1960.

Cita MLA

Morgenthau, Hans Joachim. The Purpose of American Politics. Knopf, 1960.