MLA

Plowden, David (1932). Cow Barn and Silos, Howard Voegeli's Farm. On Route 60, Monticello, Green County, Wisconsin (502-140). Box 172. 2002 May. https://collections.library.yale.edu/catalog/2043909.

APA, 6th edition

Plowden, David (1932). (["Box 172"])(2002 May)[Cow Barn and Silos, Howard Voegeli's Farm. On Route 60, Monticello, Green County, Wisconsin (502-140)]. https://collections.library.yale.edu/catalog/2043909.