MLA

Kelly, Richard, 1910-1977. Drawings: Sketches. Box 28 | Box 217. 1964. https://collections.library.yale.edu/catalog/10020254.

APA, 6th edition

Kelly, Richard, 1910-1977. (["Box 28 | Box 217"])(1964)[Drawings: Sketches]. https://collections.library.yale.edu/catalog/10020254.