MLA

Plowden, David (1932). Corner Detail, Ronald Groebner's Cow Barn. On County Road OK, Brodhead, Green County, Wisconsin (700-60). Box 145. 2000 July. https://collections.library.yale.edu/catalog/2043086.

APA, 6th edition

Plowden, David (1932). (["Box 145"])(2000 July)[Corner Detail, Ronald Groebner's Cow Barn. On County Road OK, Brodhead, Green County, Wisconsin (700-60)]. https://collections.library.yale.edu/catalog/2043086.