Day, R. W., & Day, R. W. (2001). Soil testing manual: Procedures, classification data, and sampling practices. New York: McGraw-Hill.
Chicago Style CitationDay, Robert W., and Robert W. Day. Soil Testing Manual: Procedures, Classification Data, and Sampling Practices. New York: McGraw-Hill, 2001.
MLA CitationDay, Robert W., and Robert W. Day. Soil Testing Manual: Procedures, Classification Data, and Sampling Practices. New York: McGraw-Hill, 2001.
Warning: These citations may not always be 100% accurate.