United States. Department of Agriculture. Sugar Division. (1939). Determination of Farming Practices to be Carried Out in Connection with Production of Sugarcane During the Crop Year 1939-40 for Puerto Rico, Pursuant to the Sugar Act of 1937. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Sugar Division. Determination of Farming Practices to Be Carried Out in Connection with Production of Sugarcane During the Crop Year 1939-40 for Puerto Rico, Pursuant to the Sugar Act of 1937. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Sugar Division. Determination of Farming Practices to Be Carried Out in Connection with Production of Sugarcane During the Crop Year 1939-40 for Puerto Rico, Pursuant to the Sugar Act of 1937. [s.n.], 1939.