APA (7th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. (1931). Understanding Porto Rican market. GPOGPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. Understanding Porto Rican Market. [Washington]: GPOGPO, 1931.

MLA (9th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. Understanding Porto Rican Market. GPOGPO, 1931.

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