MLA

Kelly, Richard, 1910-1977. Drawings. Box 77 | Box 387. 1960. https://collections.library.yale.edu/catalog/10020478.

APA, 6th edition

Kelly, Richard, 1910-1977. (["Box 77 | Box 387"])(1960)[Drawings]. https://collections.library.yale.edu/catalog/10020478.