Cite

Historical map of Colorado : compiled from U.S. Government surveys & other authentic sources, Washington, D.C. 1881.

MLA

Historical Map of Colorado : Compiled from U.S. Government Surveys & Other Authentic Sources, Washington, D.C. 1881. W.H. Kistler Stationery Co., 0AD. https://collections.library.yale.edu/catalog/15818413.

APA, 6th edition

Historical map of Colorado : compiled from U.S. Government surveys & other authentic sources, Washington, D.C. 1881. (0 C.E.). [Maps]. W.H. Kistler Stationery Co., https://collections.library.yale.edu/catalog/15818413.