APA (7th ed.) Citation

Ewing, W. (1920). Construction materials and machinery in Brazil. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Ewing, W. Construction Materials and Machinery in Brazil. [Washington?]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

Ewing, W. Construction Materials and Machinery in Brazil. U.S. Government Printing Office, 1920.