Cite

Mr. Groff and his son playing in the yard

MLA

Mr. Groff and His Son Playing in the Yard. 1916. https://collections.library.yale.edu/catalog/12375157.

APA, 6th edition

Mr. Groff and his son playing in the yard. (1916). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/12375157.