APA (7th ed.) Citation

Knovel (Firm) & Noyes, R. (1994). Unit operations in environmental engineering. Noyes Publications.

Chicago Style (17th ed.) Citation

Knovel (Firm) and Robert Noyes. Unit Operations in Environmental Engineering. Park Ridge, N.J.: Noyes Publications, 1994.

MLA (9th ed.) Citation

Knovel (Firm) and Robert Noyes. Unit Operations in Environmental Engineering. Noyes Publications, 1994.