MLA

Carter, John Franklin, 1897-1967, Fitts, Norman. S4N. 1919. Nov. https://collections.library.yale.edu/catalog/2010755.

APA, 6th edition

Carter, John Franklin, 1897-1967, & Fitts, Norman. (1919. Nov)[S4N]. https://collections.library.yale.edu/catalog/2010755.