MLA

Beinecke, Edwin J. (Edwin John), 1886-1970. Augustus Saint-Gaudens plaster relief of Stevenson (rectangular, framed). 143 (Art). undated. https://collections.library.yale.edu/catalog/32454954.

APA, 6th edition

Beinecke, Edwin J. (Edwin John), 1886-1970. (["143 (Art)"])(undated)[Augustus Saint-Gaudens plaster relief of Stevenson (rectangular, framed)]. https://collections.library.yale.edu/catalog/32454954.