Cite

Chicago and Northwestern Railway Tracks. Near Mechanicsville, Iowa (486-178)

MLA

Plowden, David (1932). Chicago and Northwestern Railway Tracks. Near Mechanicsville, Iowa (486-178). Box 3. 1986 April. https://collections.library.yale.edu/catalog/2036557.

APA, 6th edition

Plowden, David (1932). (["Box 3"])(1986 April)[Chicago and Northwestern Railway Tracks. Near Mechanicsville, Iowa (486-178)]. https://collections.library.yale.edu/catalog/2036557.