MLA

Barrie, J. M. (James Matthew), 1860-1937. Typescript, signed, with autograph corrections. Box 48, folder 1006. circa 1910. https://collections.library.yale.edu/catalog/2008253.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (["Box 48, folder 1006"])(circa 1910)[Typescript, signed, with autograph corrections]. https://collections.library.yale.edu/catalog/2008253.