MLA

Denver, No. 008. Detroit Photographic Co. or Detroit Publishing Co, 0AD. https://collections.library.yale.edu/catalog/2001266.

APA, 6th edition

Denver, no. 008. (0 C.E.). [Bird's-eye views, Cityscapes (Representations), Photographic prints, Photographs, Photolithography, Photomechanical prints]. Detroit Photographic Co. or Detroit Publishing Co. https://collections.library.yale.edu/catalog/2001266.