MLA

of the Interior, Canada. Dept. Map of the Yukon Territory / Department of the Interior, Canada ; J.E. Chalifour, Chief Geographer. The Department, 1917. https://collections.library.yale.edu/catalog/15536383.

APA, 6th edition

of the Interior, C. D. (1917). Map of the Yukon Territory / Department of the Interior, Canada ; J.E. Chalifour, chief geographer. [Maps]. The Department, https://collections.library.yale.edu/catalog/15536383.