Chicago, Illinois (1079-947)
MLA
Plowden, David (1932). Chicago, Illinois (1079-947). Box 83. 1979 October. https://collections.library.yale.edu/catalog/2042122.
APA, 6th edition
Plowden, David (1932). (["Box 83"])(1979 October)[Chicago, Illinois (1079-947)]. https://collections.library.yale.edu/catalog/2042122.