MLA

Barrie, J. M. (James Matthew), 1860-1937. "Hand". Box 50, folder 1047. circa 1935. https://collections.library.yale.edu/catalog/17462848.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 50, folder 1047"])(circa 1935)["Hand"]. https://collections.library.yale.edu/catalog/17462848.