Cite

"Madrid N. M."

MLA

Erdoes, Richard, 1912-2008. "Madrid N. M.". Box 81. 1975-1991. https://collections.library.yale.edu/catalog/2102377.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 81"])(1975-1991)["Madrid N. M."]. https://collections.library.yale.edu/catalog/2102377.