Cedar County, Iowa (585-311)
MLA
Plowden, David (1932). Cedar County, Iowa (585-311). Box 39. 1985 May. https://collections.library.yale.edu/catalog/2040810.
APA, 6th edition
Plowden, David (1932). (["Box 39"])(1985 May)[Cedar County, Iowa (585-311)]. https://collections.library.yale.edu/catalog/2040810.