MLA

Moulin, Gabriel, 1872-1945. Treasure Island. Box 1 | Folder 17. n.d.. https://collections.library.yale.edu/catalog/16640871.

APA, 6th edition

Moulin, Gabriel, 1872-1945. (["Box 1 | Folder 17"])(n.d.)[Treasure Island]. https://collections.library.yale.edu/catalog/16640871.