Cita APA (7th ed.)
Peavy, H. S., Rowe, D. R., & Tchobanoglous, G. (1985). Environmental engineering. McGraw-Hill.
Cita Chicago (17th ed.)
Peavy, Howard S., Donald R. Rowe, i George Tchobanoglous. Environmental Engineering. New York: McGraw-Hill, 1985.
Cita MLA (9th ed.)
Peavy, Howard S., et al. Environmental Engineering. McGraw-Hill, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.