Cite

Dawson's map of the Dominion of Canada.

MLA

Brothers, Dawson. Dawson's Map of the Dominion of Canada. Dawson Brothers, 1872. https://collections.library.yale.edu/catalog/15535422.

APA, 6th edition

Brothers, D. (1872). Dawson's map of the Dominion of Canada. [Maps]. Dawson Brothers, https://collections.library.yale.edu/catalog/15535422.