APA (7th ed.) Citation

Holdren, J. P., Holm, R. W., & Ehrlich, P. R. (1971). Man and the ecosphere: Readings from Scientific American. W.H. Freeman.

Chicago Style (17th ed.) Citation

Holdren, John P., Richard W. Holm, and Paul R. Ehrlich. Man and the Ecosphere: Readings from Scientific American. San Francisco: W.H. Freeman, 1971.

MLA (8th ed.) Citation

Holdren, John P., et al. Man and the Ecosphere: Readings from Scientific American. W.H. Freeman, 1971.