Cite

Volume 7: April 7 to December 30, 1920

MLA

Butts, Mary, 1890-1937. Volume 7: April 7 to December 30, 1920. Box 2, folder 57. 1920. https://collections.library.yale.edu/catalog/16947655.

APA, 6th edition

Butts, Mary, 1890-1937. (["Box 2, folder 57"])(1920)[Volume 7: April 7 to December 30, 1920]. https://collections.library.yale.edu/catalog/16947655.