MLA

Williams, Jonathan, 1929-2008. Merrell, Todd. Box 26 | Album 26. circa 1990. https://collections.library.yale.edu/catalog/2107955.

APA, 6th edition

Williams, Jonathan, 1929-2008. (["Box 26 | Album 26"])(circa 1990)[Merrell, Todd]. https://collections.library.yale.edu/catalog/2107955.