MLA

Douglas, Norman, 1868-1952. Liverright, Horace. Box 45. 1924-1925. https://collections.library.yale.edu/catalog/16454761.

APA, 6th edition

Douglas, Norman, 1868-1952. (["Box 45"])(1924-1925)[Liverright, Horace]. https://collections.library.yale.edu/catalog/16454761.