Steel Mills. East Chicago, Indiana (IS-2585)
MLA
Plowden, David (1932). Steel Mills. East Chicago, Indiana (IS-2585). Box 11. 1979. https://collections.library.yale.edu/catalog/2038417.
APA, 6th edition
Plowden, David (1932). (["Box 11"])(1979)[Steel Mills. East Chicago, Indiana (IS-2585)]. https://collections.library.yale.edu/catalog/2038417.