Buena Vista County, Iowa (686-684)
MLA
Plowden, David (1932). Buena Vista County, Iowa (686-684). Box 182. 1986 June. https://collections.library.yale.edu/catalog/2044556.
APA, 6th edition
Plowden, David (1932). (["Box 182"])(1986 June)[Buena Vista County, Iowa (686-684)]. https://collections.library.yale.edu/catalog/2044556.