APA (7th ed.) Citation

Smith, P. S. (1917). Electrical goods in Ecuador and Peru. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Smith, Philip S. Electrical Goods in Ecuador and Peru. [Washington?]: U.S. Government Printing Office, 1917.

MLA (9th ed.) Citation

Smith, Philip S. Electrical Goods in Ecuador and Peru. U.S. Government Printing Office, 1917.