Case, R. J. (1989). Soil survey of Columbia County, New York. The Service.
Chicago Style (17th ed.) CitationCase, Roger J. Soil Survey of Columbia County, New York. [Washington, D.C.?]: The Service, 1989.
MLA (9th ed.) CitationCase, Roger J. Soil Survey of Columbia County, New York. The Service, 1989.
Warning: These citations may not always be 100% accurate.