Cite

"El Capitan"

MLA

Erdoes, Richard, 1912-2008. "El Capitan". Box 69. 1975-1977, undated. https://collections.library.yale.edu/catalog/2094212.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 69"])(1975-1977, undated)["El Capitan"]. https://collections.library.yale.edu/catalog/2094212.