MLA

Erdoes, Richard, 1912-2008. "Miners". Box 77. 1970-1976, undated. https://collections.library.yale.edu/catalog/2100051.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 77"])(1970-1976, undated)["Miners"]. https://collections.library.yale.edu/catalog/2100051.