MLA

Padgett, Ron, 1942-. "All that Gas" boke by Berkson and Schneeman. Box 61. circa 1969. https://collections.library.yale.edu/catalog/9998811.

APA, 6th edition

Padgett, Ron, 1942-. (["Box 61"])(circa 1969)["All that Gas" boke by Berkson and Schneeman]. https://collections.library.yale.edu/catalog/9998811.