Cite

"BIA 1972 Outside Long"

MLA

Erdoes, Richard, 1912-2008. "BIA 1972 Outside Long". Box 56. 1972, undated. https://collections.library.yale.edu/catalog/2084588.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 56"])(1972, undated)["BIA 1972 Outside Long"]. https://collections.library.yale.edu/catalog/2084588.