S.D. Badlands, Extreme Long
MLA
Erdoes, Richard, 1912-2008. S.D. Badlands, Extreme Long. Box 86 | South Dakota: Badlands, Black Hills, Forts, Saloons, Landscapes, Etc.. 1972-1988, undated. https://collections.library.yale.edu/catalog/2106214.
APA, 6th edition
Erdoes, Richard, 1912-2008. (["Box 86 | South Dakota: Badlands, Black Hills, Forts, Saloons, Landscapes, Etc."])(1972-1988, undated)[S.D. Badlands, Extreme Long]. https://collections.library.yale.edu/catalog/2106214.