APA (7th ed.) Citation

DeGolia, D. P., & Roosevelt, T. (1932). Porto Rico: What it produces and what it buys. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

DeGolia, Darwin Paul, and Theodore Roosevelt. Porto Rico: What It Produces and What It Buys. [Washington?]: U.S. Government Printing Office, 1932.

MLA (9th ed.) Citation

DeGolia, Darwin Paul, and Theodore Roosevelt. Porto Rico: What It Produces and What It Buys. U.S. Government Printing Office, 1932.