APA (7th ed.) Citation

National Congress on Optimum Population and Environment Chicago, Council on Population and Environment, & Hinrichs, N. (1971). Population, environment, and people. McGraw-Hill.

Chicago Style (17th ed.) Citation

National Congress on Optimum Population and Environment Chicago, Council on Population and Environment, and Noël Hinrichs. Population, Environment, and People. New York: McGraw-Hill, 1971.

MLA (9th ed.) Citation

National Congress on Optimum Population and Environment Chicago, et al. Population, Environment, and People. McGraw-Hill, 1971.