MLA

Plowden, David (1932). Barn Owned by Roger Groves. On State Route 64, West of Polo, Buffalo Township, Ogle County, Illinois (400-473). Box 148. 2000 April. https://collections.library.yale.edu/catalog/2043489.

APA, 6th edition

Plowden, David (1932). (["Box 148"])(2000 April)[Barn Owned by Roger Groves. On State Route 64, West of Polo, Buffalo Township, Ogle County, Illinois (400-473)]. https://collections.library.yale.edu/catalog/2043489.