Cite

[Photograph of rock formations in the Bad Lands, South Dakota]

MLA

[Photograph of Rock Formations in the Bad Lands, South Dakota]. 1936. https://collections.library.yale.edu/catalog/2015164.

APA, 6th edition

[Photograph of rock formations in the Bad Lands, South Dakota]. (1936). [Photograph albums, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2015164.