Proust, Jeanne Weill
MLA
Koch, Frederick R. (Frederick Robinson). Proust, Jeanne Weill. Box 49, folder 1013-1015. [1887]-[1905], n.d.. https://collections.library.yale.edu/catalog/2020944.
APA, 6th edition
Koch, Frederick R. (Frederick Robinson). (["Box 49, folder 1013-1015"])([1887]-[1905], n.d.)[Proust, Jeanne Weill]. https://collections.library.yale.edu/catalog/2020944.