Cite

A picnic at Dr. Richard H. Ritter's house

MLA

A Picnic at Dr. Richard H. Ritter's House. 0AD. https://collections.library.yale.edu/catalog/17245081.

APA, 6th edition

A picnic at Dr. Richard H. Ritter's house. (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/17245081.