Cite

013819. The shadow of Pike's Peak at sunset

MLA

Co, Detroit Publishing. 013819. The Shadow of Pike's Peak at Sunset. Detroit Photographic Co., 0AD. https://collections.library.yale.edu/catalog/2014950.

APA, 6th edition

Co, D. P. (0 C.E.). 013819. The shadow of Pike's Peak at sunset [Photographic prints, Photographs]. Detroit Photographic Co. https://collections.library.yale.edu/catalog/2014950.