Survey of the Mississippi River / made under the direction of the Mississippi River Commission.
MLA
Commission, United States. Mississippi River. Survey of the Mississippi River / Made under the Direction of the Mississippi River Commission. Mississippi River Commission, , 1879. https://collections.library.yale.edu/catalog/15814466.
APA, 6th edition
Commission, U. S. M. R. (1879). Survey of the Mississippi River / made under the direction of the Mississippi River Commission. [Maps, Nautical charts, Topographic maps]. Mississippi River Commission, . https://collections.library.yale.edu/catalog/15814466.