Photo. “Il cannoncino a quattro canne.” No source, [1940]. [9950-2]
MLA
Photo. “Il Cannoncino a Quattro Canne.” No Source, [1940]. [9950-2]. 1940. https://collections.library.yale.edu/catalog/10665757.
APA, 6th edition
Photo. “Il cannoncino a quattro canne.” No source, [1940]. [9950-2]. (1940). [Scrapbooks]. https://collections.library.yale.edu/catalog/10665757.