Otto, N. E., & Bartley, T. R. (1972). Aquatic pests on irrigation systems: Identification guide. [Washington]: U.S. Dept. of the Interior, Bureau of Reclamation: [for sale by the Superintendent of Documents, U.S. Govt. Print. Off..
Chicago Style CitationOtto, N. E., and T. R. Bartley. Aquatic Pests On Irrigation Systems: Identification Guide. [Washington]: U.S. Dept. of the Interior, Bureau of Reclamation: [for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1972.
MLA CitationOtto, N. E., and T. R. Bartley. Aquatic Pests On Irrigation Systems: Identification Guide. [Washington]: U.S. Dept. of the Interior, Bureau of Reclamation: [for sale by the Superintendent of Documents, U.S. Govt. Print. Off., 1972.
Warning: These citations may not always be 100% accurate.