APA (7th ed.) Citation

(1914). Commercial travelers and samples in South America. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Commercial Travelers and Samples in South America. [Washington?]: U.S. Government Printing Office, 1914.

MLA (9th ed.) Citation

Commercial Travelers and Samples in South America. U.S. Government Printing Office, 1914.

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