Cite

"Angus McDonald. Factor, Hudson Bay Co." Photographic print, 20.1 x 11.9 cm. on mount 34.5 x 27.3 cm.

MLA

Northwest Boundary Commission ($d (1857-1862)). "Angus McDonald. Factor, Hudson Bay Co." Photographic print, 20.1 x 11.9 cm. on mount 34.5 x 27.3 cm.. Box 5, folder 60. n.d.. https://collections.library.yale.edu/catalog/16386873.

APA, 6th edition

Northwest Boundary Commission ($d (1857-1862)). (["Box 5, folder 60"])(n.d.)["Angus McDonald. Factor, Hudson Bay Co." Photographic print, 20.1 x 11.9 cm. on mount 34.5 x 27.3 cm.]. https://collections.library.yale.edu/catalog/16386873.