"Vision," printed version, The Egoist
MLA
Butts, Mary, 1890-1937. "Vision," printed version, The Egoist. Box 7, folder 138. 1918 Sep. https://collections.library.yale.edu/catalog/16586561.
APA, 6th edition
Butts, Mary, 1890-1937. (["Box 7, folder 138"])(1918 Sep)["Vision," printed version, The Egoist]. https://collections.library.yale.edu/catalog/16586561.