APA (7th ed.) Citation

Luard, E., & Heater, D. B. (1994). The United Nations: How it works and what it does (2. ed.). MacMillan.

Chicago Style (17th ed.) Citation

Luard, Evan, and Derek Benjamin Heater. The United Nations: How It Works and What It Does. 2. ed. London: MacMillan, 1994.

MLA (9th ed.) Citation

Luard, Evan, and Derek Benjamin Heater. The United Nations: How It Works and What It Does. 2. ed. MacMillan, 1994.