Grundy County, Iowa (1083-586)
MLA
Plowden, David. Grundy County, Iowa (1083-586). 1983. https://collections.library.yale.edu/catalog/2040142.
APA, 6th edition
Plowden, D. (1983). Grundy County, Iowa (1083-586). https://collections.library.yale.edu/catalog/2040142.