Route U.S. 30 and Chicago and Northwestern Railway Tracks. Cedar County, Iowa (486-1)
MLA
Plowden, David (1932). Route U.S. 30 and Chicago and Northwestern Railway Tracks. Cedar County, Iowa (486-1). Box 39. 1986 April. https://collections.library.yale.edu/catalog/2040814.
APA, 6th edition
Plowden, David (1932). (["Box 39"])(1986 April)[Route U.S. 30 and Chicago and Northwestern Railway Tracks. Cedar County, Iowa (486-1)]. https://collections.library.yale.edu/catalog/2040814.