MLA

Luhan, Mabel Dodge, 1879-1962. Pueblo, Taos. Box 79, folder 2183-2184. 1924-50, n.d.. https://collections.library.yale.edu/catalog/10268306.

APA, 6th edition

Luhan, Mabel Dodge, 1879-1962. (["Box 79, folder 2183-2184"])(1924-50, n.d.)[Pueblo, Taos]. https://collections.library.yale.edu/catalog/10268306.