MLA

Baker, Josephine, 1906-1975. Notebook VIII. Box 8. 1952 1952. https://collections.library.yale.edu/catalog/2111158.

APA, 6th edition

Baker, Josephine, 1906-1975. (["Box 8"])(1952 1952)[Notebook VIII]. https://collections.library.yale.edu/catalog/2111158.