APA (7th ed.) Citation

Dunn, W. E. (1923). Cotton industry of Peru. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Dunn, W. E. Cotton Industry of Peru. [Washington?]: U.S. Government Printing Office, 1923.

MLA (9th ed.) Citation

Dunn, W. E. Cotton Industry of Peru. U.S. Government Printing Office, 1923.