Nichols, H. L., & Day, D. A. (2005). Moving the earth : the workbook of excavation / Herbert L. Nichols, David A. Day: 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 / Herbert L. Nichols, David A. Day: The Workbook of Excavation. 5th ed. New York, N.Y. ; London: McGraw-Hill, 2005.
MLA (9th ed.) CitationNichols, Herbert L., and David A. Day. Moving the Earth : The Workbook of Excavation / Herbert L. Nichols, David A. Day: The Workbook of Excavation. 5th ed. McGraw-Hill, 2005.
Warning: These citations may not always be 100% accurate.