MLA

Barrie, J. M. (James Matthew), 1860-1937. Act V. Box 43, folder 924. 1905 June 13. https://collections.library.yale.edu/catalog/32314197.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 43, folder 924"])(1905 June 13)[Act V]. https://collections.library.yale.edu/catalog/32314197.