Cite

No. 42. Harney's Peak. 8,200 feet, highest point in the Black Hills, near Custer and Hill City, on the B. & M. railway

MLA

Locke, H. R. No. 42. Harney's Peak. 8,200 Feet, Highest Point in the Black Hills, near Custer and Hill City, on the B. & M. Railway. 1895. https://collections.library.yale.edu/catalog/2011969.

APA, 6th edition

Locke, H. R. (1895). No. 42. Harney's Peak. 8,200 feet, highest point in the Black Hills, near Custer and Hill City, on the B. & M. railway [Card photographs, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2011969.