Slagging Ingots, Steel Mill. East Chicago, Indiana (IS-328)
MLA
Plowden, David. Slagging Ingots, Steel Mill. East Chicago, Indiana (IS-328). 1979. https://collections.library.yale.edu/catalog/2036776.
APA, 6th edition
Plowden, D. (1979). Slagging Ingots, Steel Mill. East Chicago, Indiana (IS-328). https://collections.library.yale.edu/catalog/2036776.