80 Inch Hot Strip Mill (rolling mill), Steel Mill. East Chicago, Indiana (IS-2015)
MLA
Plowden, David (1932). 80 Inch Hot Strip Mill (rolling mill), Steel Mill. East Chicago, Indiana (IS-2015). Box 10. 1979. https://collections.library.yale.edu/catalog/2036786.
APA, 6th edition
Plowden, David (1932). (["Box 10"])(1979)[80 Inch Hot Strip Mill (rolling mill), Steel Mill. East Chicago, Indiana (IS-2015)]. https://collections.library.yale.edu/catalog/2036786.