MLA

Kelly, Richard, 1910-1977. Manuscript Materials. Box 405 | Box 51 | Box 52 | Box 53 | Box 54 | Box 55. 1964. https://collections.library.yale.edu/catalog/10020285.

APA, 6th edition

Kelly, Richard, 1910-1977. (["Box 405 | Box 51 | Box 52 | Box 53 | Box 54 | Box 55"])(1964)[Manuscript Materials]. https://collections.library.yale.edu/catalog/10020285.