APA (7th ed.) Citation

Eckholm, E. P., & Brown, L. R. (1977). Spreading deserts--the hand of man. [Worldwatch Institute].

Chicago Style (17th ed.) Citation

Eckholm, Erik P., and Lester Russell Brown. Spreading Deserts--the Hand of Man. [Washington]: [Worldwatch Institute], 1977.

MLA (9th ed.) Citation

Eckholm, Erik P., and Lester Russell Brown. Spreading Deserts--the Hand of Man. [Worldwatch Institute], 1977.