Cite

Howard, Sidney--typescripts of letters

MLA

Sergeant, Elizabeth Shepley, 1881-1965. Howard, Sidney--typescripts of letters. Box 4, folder 88. 1917-28, n.d.. https://collections.library.yale.edu/catalog/10520877.

APA, 6th edition

Sergeant, Elizabeth Shepley, 1881-1965. (["Box 4, folder 88"])(1917-28, n.d.)[Howard, Sidney--typescripts of letters]. https://collections.library.yale.edu/catalog/10520877.