MLA

Willis, John, 1957-. Cell. Box 2 (Oversize), folder 39. 2010. https://collections.library.yale.edu/catalog/33288479.

APA, 6th edition

Willis, John, 1957-. (["Box 2 (Oversize), folder 39"])(2010)[Cell]. https://collections.library.yale.edu/catalog/33288479.