Colorado. Placer Mining, no. 51044
MLA
Colorado. Placer Mining, No. 51044. Detroit Photographic Co. or Detroit Publishing Co, 0AD. https://collections.library.yale.edu/catalog/2001268.
APA, 6th edition
Colorado. Placer Mining, no. 51044. (0 C.E.). [Photographic prints, Photographs, Photolithography, Photomechanical prints]. Detroit Photographic Co. or Detroit Publishing Co. https://collections.library.yale.edu/catalog/2001268.