Cite

Piano teacher Ruth L. Stahl with a pupil

MLA

Piano Teacher Ruth L. Stahl with a Pupil. 0AD. https://collections.library.yale.edu/catalog/17230721.

APA, 6th edition

Piano teacher Ruth L. Stahl with a pupil. (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/17230721.