MLA

Plowden, David (1932). New York Central Railroad Steam Tug New York Central No. 31. Weehawken, New Jersey (ST-NYC-363-170). Box 71. 1963 March. https://collections.library.yale.edu/catalog/2041682.

APA, 6th edition

Plowden, David (1932). (["Box 71"])(1963 March)[New York Central Railroad Steam Tug New York Central No. 31. Weehawken, New Jersey (ST-NYC-363-170)]. https://collections.library.yale.edu/catalog/2041682.