APA (7th ed.) Citation

Groves, H. L. (1920). Farm implements and machinery in France and North Africa. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Groves, H. Lawrence. Farm Implements and Machinery in France and North Africa. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Groves, H. Lawrence. Farm Implements and Machinery in France and North Africa. U.S. Government Printing Office, 1920.