MLA

Clésinger-Sand, Solange, 1828-1899. Villa Malgrétout material. Box 5, folder 161-168. 1870-1952. https://collections.library.yale.edu/catalog/17444518.

APA, 6th edition

Clésinger-Sand, Solange, 1828-1899. (["Box 5, folder 161-168"])(1870-1952)[Villa Malgrétout material]. https://collections.library.yale.edu/catalog/17444518.