APA (7th ed.) Citation

DREVDAHL, E. R. Profitable use of excavation equipment#Elemer R. Drevdahl. Technical Publications Desert Laboratories Inc.

Chicago Style (17th ed.) Citation

DREVDAHL, Elemer R. Profitable Use of Excavation Equipment#Elemer R. Drevdahl. Technical Publications Desert Laboratories Inc.

MLA (8th ed.) Citation

DREVDAHL, Elemer R. Profitable Use of Excavation Equipment#Elemer R. Drevdahl. Technical Publications Desert Laboratories Inc.

Warning: These citations may not always be 100% accurate.