MLA

Van Vechten, Carl, 1880-1964. McClendon, Rose, as Medea in Medea, play adapted by Countee Cullen from a play by Euripides. Box 97, folder 1748. 1935 November 19. https://collections.library.yale.edu/catalog/2019415.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 97, folder 1748"])(1935 November 19)[McClendon, Rose, as Medea in Medea, play adapted by Countee Cullen from a play by Euripides]. https://collections.library.yale.edu/catalog/2019415.