Cite

"Hudson Bay Co. Post. Fort Simpson B.C." Pencil drawing, 17.6 x 25.4 cm.

MLA

Stenzel, Franz. "Hudson Bay Co. Post. Fort Simpson B.C." Pencil Drawing, 17.6 x 25.4 Cm. 1869. https://collections.library.yale.edu/catalog/2003268.

APA, 6th edition

Stenzel, F. (1869). "Hudson Bay Co. Post. Fort Simpson B.C." Pencil drawing, 17.6 x 25.4 cm. https://collections.library.yale.edu/catalog/2003268.