Nichols, H. L., & Day, D. A. (2005). Moving the earth: The workbook of excavation (5th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationNichols, Herbert L., and David A. Day. Moving the Earth: The Workbook of Excavation. 5th ed. New York: McGraw-Hill, 2005.
MLA (8th ed.) CitationNichols, Herbert L., and David A. Day. Moving the Earth: The Workbook of Excavation. 5th ed. McGraw-Hill, 2005.
Warning: These citations may not always be 100% accurate.