Calkins, M. L. (1978). Online Literature Searching and Databases at the U.S. Environmental Protection Agency Environmental Research Center Library, Cincinnati, Ohio.
Chicago Style (17th ed.) CitationCalkins, Mary L. Online Literature Searching and Databases at the U.S. Environmental Protection Agency Environmental Research Center Library, Cincinnati, Ohio. 1978.
MLA (9th ed.) CitationCalkins, Mary L. Online Literature Searching and Databases at the U.S. Environmental Protection Agency Environmental Research Center Library, Cincinnati, Ohio. 1978.
Warning: These citations may not always be 100% accurate.