APA (7th ed.) Citation

De Bell, G., Wallace, A., & Gancher, D. (1980). The New environmental handbook. Friends of the Earth.

Chicago Style (17th ed.) Citation

De Bell, Garrett, Aubrey Wallace, and David Gancher. The New Environmental Handbook. San Francisco, Calif.: Friends of the Earth, 1980.

MLA (9th ed.) Citation

De Bell, Garrett, et al. The New Environmental Handbook. Friends of the Earth, 1980.