APA (7th ed.) Citation

Frost, B. M. (1927). Paper and paper products in Colombia, Venezuela, Ecuador, and the Guianas. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Frost, B. M. Paper and Paper Products in Colombia, Venezuela, Ecuador, and the Guianas. [Washington?]: U.S. Government Printing Office, 1927.

MLA (9th ed.) Citation

Frost, B. M. Paper and Paper Products in Colombia, Venezuela, Ecuador, and the Guianas. U.S. Government Printing Office, 1927.