Cita APA

Heater, D. B. (1967). Political ideas in the modern world (3d ed. rev.). Harrap.

Citación estilo Chicago

Heater, Derek Benjamin. Political Ideas in the Modern World. 3d ed. rev. London: Harrap, 1967.

Cita MLA

Heater, Derek Benjamin. Political Ideas in the Modern World. 3d ed. rev. Harrap, 1967.