APA (7th ed.) Citation

Brower, D., Phillips, D., & Nash, H. (1981). The Condor question, captive or forever free? Friends of the Earth.

Chicago Style (17th ed.) Citation

Brower, David, David Phillips, and Hugh Nash. The Condor Question, Captive or Forever Free? San Francisco: Friends of the Earth, 1981.

MLA (8th ed.) Citation

Brower, David, et al. The Condor Question, Captive or Forever Free? Friends of the Earth, 1981.