Cite

Physical drill by Middle School students at 25th anniversary

MLA

Physical Drill by Middle School Students at 25th Anniversary. 1929. https://collections.library.yale.edu/catalog/12394462.

APA, 6th edition

Physical drill by Middle School students at 25th anniversary. (1929). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12394462.