MLA

Erdoes, Richard, 1912-2008. Lame Deer General. Box 75 | John Fire Lame Deer. undated. https://collections.library.yale.edu/catalog/2098216.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 75 | John Fire Lame Deer"])(undated)[Lame Deer General]. https://collections.library.yale.edu/catalog/2098216.