Cite

Two photos. "Ardimenti di aviatori." No source, [1931]. [7117-1]

MLA

Two Photos. "Ardimenti Di Aviatori." No Source, [1931]. [7117-1]. 1931. https://collections.library.yale.edu/catalog/10659957.

APA, 6th edition

Two photos. "Ardimenti di aviatori." No source, [1931]. [7117-1]. (1931). [Scrapbooks]. https://collections.library.yale.edu/catalog/10659957.