APA (7th ed.) Citation

Heater, D. B. (1968). Political ideas in the modern world (3rd ed. revised.). Harrap.

Chicago Style (17th ed.) Citation

Heater, Derek Benjamin. Political Ideas in the Modern World. 3rd ed. revised. London, Toronto [etc.]: Harrap, 1968.

MLA (9th ed.) Citation

Heater, Derek Benjamin. Political Ideas in the Modern World. 3rd ed. revised. Harrap, 1968.