MLA

Barrie, J. M. (James Matthew), 1860-1937. David Broadfoot Carter drawing. Box 65 (Oversize), folder 1214. undated. https://collections.library.yale.edu/catalog/17480156.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 65 (Oversize), folder 1214"])(undated)[David Broadfoot Carter drawing]. https://collections.library.yale.edu/catalog/17480156.