MLA

Brainard, Joe, 1942-1994. Printed ephemera. Box 1 | Folder 7. n.d.. https://collections.library.yale.edu/catalog/16039250.

APA, 6th edition

Brainard, Joe, 1942-1994. (["Box 1 | Folder 7"])(n.d.)[Printed ephemera]. https://collections.library.yale.edu/catalog/16039250.