United States. Bureau of Soils, Meyer, A. H., Hendrickson, B. H., & Bennett, H. H. (1917). Soil map, Louisiana, Saint Martin Parish. U.S. Dept. of Agriculture, Bureau of Soils.
Chicago Style (17th ed.) CitationUnited States. Bureau of Soils, A. H. Meyer, B. H. Hendrickson, and Hugh H. Bennett. Soil Map, Louisiana, Saint Martin Parish. [Washington, D.C.]: U.S. Dept. of Agriculture, Bureau of Soils, 1917.
MLA (9th ed.) CitationUnited States. Bureau of Soils, et al. Soil Map, Louisiana, Saint Martin Parish. U.S. Dept. of Agriculture, Bureau of Soils, 1917.
Warning: These citations may not always be 100% accurate.