Cite

Seed Corn Plant. Near Conrad, Grundy County, Iowa (583-882)

MLA

Plowden, David (1932). Seed Corn Plant. Near Conrad, Grundy County, Iowa (583-882). Box 30. 1983 May. https://collections.library.yale.edu/catalog/2040144.

APA, 6th edition

Plowden, David (1932). (["Box 30"])(1983 May)[Seed Corn Plant. Near Conrad, Grundy County, Iowa (583-882)]. https://collections.library.yale.edu/catalog/2040144.