Album No. 21
MLA
Williams, Jonathan, 1929-2008. Album No. 21. Box 21. circa 1983. https://collections.library.yale.edu/catalog/2046438.
APA, 6th edition
Williams, Jonathan, 1929-2008. (["Box 21"])(circa 1983)[Album No. 21]. https://collections.library.yale.edu/catalog/2046438.