Culp, R. L., & Culp, G. L. (1971). Advanced wastewater treatment. Van Nostrand Reinhold.
Cita Chicago (17th ed.)Culp, Russell L., i Gordon L. Culp. Advanced Wastewater Treatment. New York: Van Nostrand Reinhold, 1971.
Cita MLA (9th ed.)Culp, Russell L., i Gordon L. Culp. Advanced Wastewater Treatment. Van Nostrand Reinhold, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.