APA (7th ed.) Citation

Ewing, W. (1919). Construction materials and machinery in Chile, Peru, and Ecuador. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Ewing, W. Construction Materials and Machinery in Chile, Peru, and Ecuador. [Washington?]: U.S. Government Printing Office, 1919.

MLA (9th ed.) Citation

Ewing, W. Construction Materials and Machinery in Chile, Peru, and Ecuador. U.S. Government Printing Office, 1919.