MLA

Mapping, Canada., and Charting Establishment. Military City Map, Saskatoon = Carte Militaire De La Ville, Saskatoon / Produced by the Mapping and Charting Establishment. The Establishment, 1985. https://collections.library.yale.edu/catalog/15536089.

APA, 6th edition

Mapping, C., & Establishment, C. (1985). Military city map, Saskatoon = Carte militaire de la ville, Saskatoon / produced by the Mapping and Charting Establishment. [Maps]. The Establishment, https://collections.library.yale.edu/catalog/15536089.