Cite

Undated

MLA

Bates, Charles Francis, 1862-1944. Undated. Box 15, folder 209. n.d.. https://collections.library.yale.edu/catalog/17203726.

APA, 6th edition

Bates, Charles Francis, 1862-1944. (["Box 15, folder 209"])(n.d.)[Undated]. https://collections.library.yale.edu/catalog/17203726.