Cite

"O" General

MLA

Douglas, Norman, 1868-1952. "O" General. Box 45. 1937 July 3. https://collections.library.yale.edu/catalog/16454748.

APA, 6th edition

Douglas, Norman, 1868-1952. (["Box 45"])(1937 July 3)["O" General]. https://collections.library.yale.edu/catalog/16454748.