MLA

Poster for Yale Glee Club Commencement Concert, Marshall Bartholomew's Last Concert, 1953. 1953. https://collections.library.yale.edu/catalog/10539066.

APA, 6th edition

Poster for Yale Glee Club Commencement Concert, Marshall Bartholomew's last concert, 1953. (1953). [Posters]. https://collections.library.yale.edu/catalog/10539066.