Cite

Northwest Territories and Yukon / compiled, drawn and printed at the Hydrographic and Map Service.

MLA

of Mines, Canada. Dept., and Resources. Northwest Territories and Yukon / Compiled, Drawn and Printed at the Hydrographic and Map Service. The Department, 1939. https://collections.library.yale.edu/catalog/15536378.

APA, 6th edition

of Mines, C. D., & R. (1939). Northwest Territories and Yukon / compiled, drawn and printed at the Hydrographic and Map Service. [Maps]. The Department, https://collections.library.yale.edu/catalog/15536378.