Cite

"Custer 1973"

MLA

Erdoes, Richard, 1912-2008. "Custer 1973". Box 54. 1973, undated. https://collections.library.yale.edu/catalog/2083072.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 54"])(1973, undated)["Custer 1973"]. https://collections.library.yale.edu/catalog/2083072.