McClean County, Illinois (508-384)
MLA
Plowden, David (1932). McClean County, Illinois (508-384). Box 182. 2008 May. https://collections.library.yale.edu/catalog/2044543.
APA, 6th edition
Plowden, David (1932). (["Box 182"])(2008 May)[McClean County, Illinois (508-384)]. https://collections.library.yale.edu/catalog/2044543.