The Little White Bird
MLA
Barrie, J. M. (James Matthew), 1860-1937. The Little White Bird. Box 27, folder 778-779. 1901 December 30. https://collections.library.yale.edu/catalog/2008293.
APA, 6th edition
Barrie, J. M. (James Matthew), 1860-1937. (["Box 27, folder 778-779"])(1901 December 30)[The Little White Bird]. https://collections.library.yale.edu/catalog/2008293.