MLA

Luhan, Mabel Dodge, 1879-1962. Portraits. Box 64, folder 1727. [ca. 1890-1900]. https://collections.library.yale.edu/catalog/10268222.

APA, 6th edition

Luhan, Mabel Dodge, 1879-1962. (["Box 64, folder 1727"])([ca. 1890-1900])[Portraits]. https://collections.library.yale.edu/catalog/10268222.