MLA

Plowden, David (1932). Former Lake Superior Ishpeming Railway 2-8-0 Type Steam Engine, Detail of Driving Wheel and Valve Gear. Marquette, Michigan (679-592). Box 79. 1979 June. https://collections.library.yale.edu/catalog/2041846.

APA, 6th edition

Plowden, David (1932). (["Box 79"])(1979 June)[Former Lake Superior Ishpeming Railway 2-8-0 Type Steam Engine, Detail of Driving Wheel and Valve Gear. Marquette, Michigan (679-592)]. https://collections.library.yale.edu/catalog/2041846.