Cite

Sketchbook #7 John Collier, Dorothy Parker, Stephen Vincent Benet, and Saki

MLA

Scheuer, Steven H., 1926-2014. Sketchbook #7 John Collier, Dorothy Parker, Stephen Vincent Benet, and Saki. Box 1, folder 3. n.y. May 24. https://collections.library.yale.edu/catalog/17101429.

APA, 6th edition

Scheuer, Steven H., 1926-2014. (["Box 1, folder 3"])(n.y. May 24)[Sketchbook #7 John Collier, Dorothy Parker, Stephen Vincent Benet, and Saki]. https://collections.library.yale.edu/catalog/17101429.