MLA

Van Vechten, Carl, 1880-1964. Petina, Irra, as Teresa in Magdalena, musical with music by Heitor Villa-Lobos and book by Frederick Hazlitt Brennan and Homer Curran. Box 371, folder 5268. 1948 December 8. https://collections.library.yale.edu/catalog/10000651.

APA, 6th edition

Van Vechten, Carl, 1880-1964. (["Box 371, folder 5268"])(1948 December 8)[Petina, Irra, as Teresa in Magdalena, musical with music by Heitor Villa-Lobos and book by Frederick Hazlitt Brennan and Homer Curran]. https://collections.library.yale.edu/catalog/10000651.