APA (7th ed.) Citation

Luard, E. (1979). The United Nations: How it works and what it does. St. Martin's.

Chicago Style (17th ed.) Citation

Luard, Evan. The United Nations: How It Works and What It Does. Nueva York: St. Martin's, 1979.

MLA (9th ed.) Citation

Luard, Evan. The United Nations: How It Works and What It Does. St. Martin's, 1979.