Ream's sectional map of the territory of Kansas / compiled from the field notes in the surveyor general's office by Robert L. Ream.
MLA
Ream, Robert L. Ream's Sectional Map of the Territory of Kansas / Compiled from the Field Notes in the Surveyor General's Office by Robert L. Ream. John Halsall & Co., 1858. https://collections.library.yale.edu/catalog/15814813.
APA, 6th edition
Ream, R. L. (1858). Ream's sectional map of the territory of Kansas / compiled from the field notes in the surveyor general's office by Robert L. Ream. [Maps]. John Halsall & Co., https://collections.library.yale.edu/catalog/15814813.
