"Buildings of the H[udson] B[ay] Co. establishment, San Juan Island." Two photographic prints joined together to form a panorama, 11.1 x 35.7 cm.
MLA
"Buildings of the H[Udson] B[Ay] Co. Establishment, San Juan Island." Two Photographic Prints Joined Together to Form a Panorama, 11.1 x 35.7 Cm. 0AD. https://collections.library.yale.edu/catalog/2004422.
APA, 6th edition
"Buildings of the H[udson] B[ay] Co. establishment, San Juan Island." Two photographic prints joined together to form a panorama, 11.1 x 35.7 cm. (0 C.E.). [Panoramic photographs]. https://collections.library.yale.edu/catalog/2004422.