United States. Environmental Protection Agency. Region X. Surveillance and Analysis Division & Cummins, J. M. (1976). Chemical and biological survey of Liberty Bay, Washington. Environmental Protection Agency, Region X, Surveillance and Analysis Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Region X. Surveillance and Analysis Division and Joseph M. Cummins. Chemical and Biological Survey of Liberty Bay, Washington. Seattle, Wash.: Environmental Protection Agency, Region X, Surveillance and Analysis Division, 1976.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Region X. Surveillance and Analysis Division and Joseph M. Cummins. Chemical and Biological Survey of Liberty Bay, Washington. Environmental Protection Agency, Region X, Surveillance and Analysis Division, 1976.