APA (7th ed.) Citation

(1915). Relation of horsepower to kilowatt. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Relation of Horsepower to Kilowatt. [Washington?]: U.S. Government Printing Office, 1915.

MLA (9th ed.) Citation

Relation of Horsepower to Kilowatt. U.S. Government Printing Office, 1915.

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