Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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