MLA

Van Vechten, Carl, 1880-1964. Allgood, Sara, as Maurya in Riders to the Sea, play by John Millington Synge. Box 330 | Folder 4090. 1938 September 13. https://collections.library.yale.edu/catalog/2029506.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 330 | Folder 4090"])(1938 September 13)[Allgood, Sara, as Maurya in Riders to the Sea, play by John Millington Synge]. https://collections.library.yale.edu/catalog/2029506.