Cita APA (7a ed.)

Sabine, G. H. (1950). A history of political theory (rev. ed.). Henry Holt.

Cita Chicago Style (17a ed.)

Sabine, George H. A History of Political Theory. rev. ed. New York: Henry Holt, 1950.

Cita MLA (9a ed.)

Sabine, George H. A History of Political Theory. rev. ed. Henry Holt, 1950.