APA

United States, Carroll H. K., . (1899). Report on the Island of Porto Rico: its population, civil government, commerce, industries, productions, roads, tariff, and currency. Washington, D. C: U. S. GovernmentPrinting Office.

Chicago

United States, Carroll Henry King, . 1899. Report on the Island of Porto Rico: its population, civil government, commerce, industries, productions, roads, tariff, and currency. Washington, D. C: U. S. GovernmentPrinting Office.

Harvard

United States, Carroll H. K., . (1899). Report on the Island of Porto Rico: its population, civil government, commerce, industries, productions, roads, tariff, and currency. Washington, D. C: U. S. GovernmentPrinting Office.

MLA

United States, Carroll Henry King, . Report on the Island of Porto Rico: its population, civil government, commerce, industries, productions, roads, tariff, and currency. Washington, D. C: U. S. GovernmentPrinting Office. 1899.