MLA

Palliser, John, 1807-1887. A general map of the routes in British North America : explored by the expedition under Captain Palliser, during the years 1857, 1858, 1859, 1860 / compiled from the observations and reports of Captain Palliser and his officers, including the map construc. BRBL_00388. [1968?]. https://collections.library.yale.edu/catalog/15536277.

APA, 6th edition

Palliser, John, 1807-1887. (["BRBL_00388"])([1968?])[A general map of the routes in British North America : explored by the expedition under Captain Palliser, during the years 1857, 1858, 1859, 1860 / compiled from the observations and reports of Captain Palliser and his officers, including the map construc]. https://collections.library.yale.edu/catalog/15536277.