MLA

Plowden, David (1932). Detail, Crosshead, Canadian National Railway, Locomotive #6218. Montpelier Junction, Vermont (V-865-110). Box 144. 1965 August. https://collections.library.yale.edu/catalog/2042801.

APA, 6th edition

Plowden, David (1932). (["Box 144"])(1965 August)[Detail, Crosshead, Canadian National Railway, Locomotive #6218. Montpelier Junction, Vermont (V-865-110)]. https://collections.library.yale.edu/catalog/2042801.