Cite

"Mission South Dakota"

MLA

Erdoes, Richard, 1912-2008. "Mission South Dakota". Box 42. 1970, undated. https://collections.library.yale.edu/catalog/2108554.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 42"])(1970, undated)["Mission South Dakota"]. https://collections.library.yale.edu/catalog/2108554.