MLA

Plowden, David (1932). A Deck Stairwell, Steamer Richelieu, Formerly S. S. Naragansett, Canada Steamship Lines (864-344). Box 71. 1964 August. https://collections.library.yale.edu/catalog/2041678.

APA, 6th edition

Plowden, David (1932). (["Box 71"])(1964 August)[A Deck Stairwell, Steamer Richelieu, Formerly S. S. Naragansett, Canada Steamship Lines (864-344)]. https://collections.library.yale.edu/catalog/2041678.