APA (7th ed.) Citation

United States. Department of Commerce. (1920). Preliminary investigations of storage battery locomotives; specifications, laboratory tests, permissible schedule. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Commerce. Preliminary Investigations of Storage Battery Locomotives; Specifications, Laboratory Tests, Permissible Schedule. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Department of Commerce. Preliminary Investigations of Storage Battery Locomotives; Specifications, Laboratory Tests, Permissible Schedule. GPO, 1920.