MLA

Plowden, David (1932). S. S. Tadoussac, Canada Steamship Lines, in Saint Lawrence River off Isle Aux Coudres [last season of operation]. Quebec, Canada (864-476). Box 70. 1964 August. https://collections.library.yale.edu/catalog/2041635.

APA, 6th edition

Plowden, David (1932). (["Box 70"])(1964 August)[S. S. Tadoussac, Canada Steamship Lines, in Saint Lawrence River off Isle Aux Coudres [last season of operation]. Quebec, Canada (864-476)]. https://collections.library.yale.edu/catalog/2041635.