APA (7th ed.) Citation

Parkes, A. . S. (1993). Backlash: A biologist looks at problems of population and the environment. Parkes Foundation.

Chicago Style (17th ed.) Citation

Parkes, Alan S. Backlash: A Biologist Looks at Problems of Population and the Environment. Cambridge: Parkes Foundation, 1993.

MLA (9th ed.) Citation

Parkes, Alan S. Backlash: A Biologist Looks at Problems of Population and the Environment. Parkes Foundation, 1993.