MLA

Burr, Hanford M. (Hanford Montrose) (1864-1941). Spring Lancet. Box 038. 19th century. https://collections.library.yale.edu/catalog/17318832.

APA, 6th edition

Burr, Hanford M. (Hanford Montrose) (1864-1941). (["Box 038"])(19th century)[Spring Lancet]. https://collections.library.yale.edu/catalog/17318832.