MLA

Manitoba. Dept. of Tourism, Recreation, and Cultural Affairs. Tourist Branch. Manitoba [Cartographic Material] : Official Highway Map / Department of Tourism, Recreation & Cultural Affairs, Tourist Branch. The Branch, 1972. https://collections.library.yale.edu/catalog/15536017.

APA, 6th edition

Manitoba. Dept. of Tourism, R., & Branch, C. A. T. (1972). Manitoba [cartographic material] : official highway map / Department of Tourism, Recreation & Cultural Affairs, Tourist Branch. [Maps]. The Branch, https://collections.library.yale.edu/catalog/15536017.