Cite

Crowd watching boy scout drill on Arbor Day

MLA

Crowd Watching Boy Scout Drill on Arbor Day. 1922. https://collections.library.yale.edu/catalog/12394327.

APA, 6th edition

Crowd watching boy scout drill on Arbor Day. (1922). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12394327.