MLA

Canada. Map Showing Mounted Police Stations in the North West Territories / Dominion of Canada ; James White, Geographer. By authority of Wilfred Laurier, President of the Privy Council, 1904. https://collections.library.yale.edu/catalog/15827317.

APA, 6th edition

C. (1904). Map showing mounted police stations in the North West Territories / Dominion of Canada ; James White, geographer. [Maps]. By authority of Wilfred Laurier, President of the Privy Council, https://collections.library.yale.edu/catalog/15827317.