MLA

Baker, Aleta B. (Aleta Blanche), 1880-1943. The Mysterious Opal Globe. Box 1. https://collections.library.yale.edu/catalog/17353889.

APA, 6th edition

Baker, Aleta B. (Aleta Blanche), 1880-1943. (["Box 1"])[The Mysterious Opal Globe]. https://collections.library.yale.edu/catalog/17353889.