APA (7th ed.) Citation

Salk, J., & Salk, J. (1982). World population and human values: A new reality. Harper & Row.

Chicago Style (17th ed.) Citation

Salk, Jonas, and Jonathan Salk. World Population and Human Values: A New Reality. New York [etc.]: Harper & Row, 1982.

MLA (9th ed.) Citation

Salk, Jonas, and Jonathan Salk. World Population and Human Values: A New Reality. Harper & Row, 1982.