Cite

"Mittens Night, Long"

MLA

Erdoes, Richard, 1912-2008. "Mittens Night, Long". Box 69. undated. https://collections.library.yale.edu/catalog/2093998.

APA, 6th edition

Erdoes, Richard, 1912-2008. (["Box 69"])(undated)["Mittens Night, Long"]. https://collections.library.yale.edu/catalog/2093998.