Ellis, Havelock
MLA
Butts, Mary, 1890-1937. Ellis, Havelock. Box 1, folder 23. [1935 Jan]. https://collections.library.yale.edu/catalog/16893650.
APA, 6th edition
Butts, Mary, 1890-1937. (["Box 1, folder 23"])([1935 Jan])[Ellis, Havelock]. https://collections.library.yale.edu/catalog/16893650.