MLA

Erdoes, Richard, 1912-2008. Archie’s Sweatlodge & Sundance Camp. Box 74 | John Fire Lame Deer. 1988-1991, undated. https://collections.library.yale.edu/catalog/2097984.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 74 | John Fire Lame Deer"])(1988-1991, undated)[Archie’s Sweatlodge & Sundance Camp]. https://collections.library.yale.edu/catalog/2097984.