APA (7th ed.) Citation

Falk, R. A. (1972). This endangered planet: Prospects and proposals for human survival. Vintage.

Chicago Style (17th ed.) Citation

Falk, Richard A. This Endangered Planet: Prospects and Proposals for Human Survival. Nueva York: Vintage, 1972.

MLA (9th ed.) Citation

Falk, Richard A. This Endangered Planet: Prospects and Proposals for Human Survival. Vintage, 1972.