MLA

Plowden, David (1932). Steamer J. Burton Ayers, Columbia Steamships, at KCBX Corporation Coal Docks. Chicago, Illinois (1090-992). Box 60. 1990 October. https://collections.library.yale.edu/catalog/2041409.

APA, 6th edition

Plowden, David (1932). (["Box 60"])(1990 October)[Steamer J. Burton Ayers, Columbia Steamships, at KCBX Corporation Coal Docks. Chicago, Illinois (1090-992)]. https://collections.library.yale.edu/catalog/2041409.