APA (7th ed.) Citation

Leinwand, G., & Popkin, G. (1969). Air and water pollution. Washington Square Press.

Chicago Style (17th ed.) Citation

Leinwand, Gerald, and Gerald Popkin. Air and Water Pollution. New York: Washington Square Press, 1969.

MLA (9th ed.) Citation

Leinwand, Gerald, and Gerald Popkin. Air and Water Pollution. Washington Square Press, 1969.