Cite

Map of the country tributary to the Northern Pacific Railroad / compiled from English, Canadian, and American official sources and original surveys by Edward H. Knight, Jan. 1st 1871.

MLA

Knight, E. H. (Edward H.). Map of the country tributary to the Northern Pacific Railroad / compiled from English, Canadian, and American official sources and original surveys by Edward H. Knight, Jan. 1st 1871.. BRBL_00538. 1871]. https://collections.library.yale.edu/catalog/15813017.

APA, 6th edition

Knight, E. H. (Edward H.). (["BRBL_00538"])(1871])[Map of the country tributary to the Northern Pacific Railroad / compiled from English, Canadian, and American official sources and original surveys by Edward H. Knight, Jan. 1st 1871.]. https://collections.library.yale.edu/catalog/15813017.