Copland, Aaron
MLA
Van Vechten, Carl, 1880-1964. Copland, Aaron. Box 342, folder 4414. 1935 April 5. https://collections.library.yale.edu/catalog/2032180.
APA, 6th edition
Van Vechten, Carl, 1880-1964. (["Box 342, folder 4414"])(1935 April 5)[Copland, Aaron]. https://collections.library.yale.edu/catalog/2032180.