MLA

Malherbe, Suzanne, 1892-1972. Memoir notes by Malherbe. Box 1 | 13-15. undated. https://collections.library.yale.edu/catalog/17317512.

APA, 6th edition

Malherbe, Suzanne, 1892-1972. (["Box 1 | 13-15"])(undated)[Memoir notes by Malherbe]. https://collections.library.yale.edu/catalog/17317512.