MLA

Barrie, J. M. (James Matthew), 1860-1937. Printing plates. Box 64, folder 1207-1209. 1912. https://collections.library.yale.edu/catalog/17480161.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 64, folder 1207-1209"])(1912)[Printing plates]. https://collections.library.yale.edu/catalog/17480161.