MLA

Plowden, David (1932). Winona, Minnesota (803-961). Box 182. 2003 August. https://collections.library.yale.edu/catalog/2044527.

APA, 6th edition

Plowden, David (1932). (["Box 182"])(2003 August)[Winona, Minnesota (803-961)]. https://collections.library.yale.edu/catalog/2044527.