Cite

Berlin, Irving, "The Popular Song," song text

MLA

Wilson, Edmund, 1895-1972. Berlin, Irving, "The Popular Song," song text. Box 167, folder 4181. [1916]. https://collections.library.yale.edu/catalog/2007295.

APA, 6th edition

Wilson, Edmund, 1895-1972. (["Box 167, folder 4181"])([1916])[Berlin, Irving, "The Popular Song," song text]. https://collections.library.yale.edu/catalog/2007295.