Unsorted correspondence
MLA
Kosinski, Kiki, 1933-2007. Unsorted correspondence. Box 87. 1970s. https://collections.library.yale.edu/catalog/17458893.
APA, 6th edition
Kosinski, Kiki, 1933-2007. (["Box 87"])(1970s)[Unsorted correspondence]. https://collections.library.yale.edu/catalog/17458893.