United States. Environmental Protection Agency. Water Supply Division, Karalekas, P. C., & Skodje, M. T. (1973). Cross-connection control manual. U.S. Environmental Protection Agency, Office of Water Programs, Water Supply Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Water Supply Division, Peter C. Karalekas, and Marvin T. Skodje. Cross-connection Control Manual. [Washington, D.C.]: U.S. Environmental Protection Agency, Office of Water Programs, Water Supply Division, 1973.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Water Supply Division, et al. Cross-connection Control Manual. U.S. Environmental Protection Agency, Office of Water Programs, Water Supply Division, 1973.
Warning: These citations may not always be 100% accurate.