Nichols, H. L. 1., & Nichols, H. L. 1. (1976). Moving the earth: The workbook of excavation (3. edition.). New York, New York: McGraw-Hill.
Chicago Style CitationNichols, Herbert Lownds 1908-, and Herbert Lownds 1908- Nichols. Moving the Earth: The Workbook of Excavation. 3. edition. New York, New York: McGraw-Hill, 1976.
MLA CitationNichols, Herbert Lownds 1908-, and Herbert Lownds 1908- Nichols. Moving the Earth: The Workbook of Excavation. 3. edition. New York, New York: McGraw-Hill, 1976.
Warning: These citations may not always be 100% accurate.