APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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