MLA

Plowden, David (1932). New York Central Railroad Steam Tugs No. 8 and No. 18. Weehawken, New Jersey (ST-NYC-363). Box 71. 1963 March. https://collections.library.yale.edu/catalog/2041688.

APA, 6th edition

Plowden, David (1932). (["Box 71"])(1963 March)[New York Central Railroad Steam Tugs No. 8 and No. 18. Weehawken, New Jersey (ST-NYC-363)]. https://collections.library.yale.edu/catalog/2041688.