MLA

Plowden, David (1932). Burlington Northern Railway, Allouez Ore Docks, Loading Taconite into Steamer J. Burton Ayers. Superior, Wisconsin (679-65). Box 58. 1979 June. https://collections.library.yale.edu/catalog/2041373.

APA, 6th edition

Plowden, David (1932). (["Box 58"])(1979 June)[Burlington Northern Railway, Allouez Ore Docks, Loading Taconite into Steamer J. Burton Ayers. Superior, Wisconsin (679-65)]. https://collections.library.yale.edu/catalog/2041373.