Music/Gloria: short score and drafts
MLA
Koch, Frederick R. (Frederick Robinson). Music/Gloria: short score and drafts. Box 206, folder 1548. [1961]. https://collections.library.yale.edu/catalog/2019699.
APA, 6th edition
Koch, Frederick R. (Frederick Robinson). (["Box 206, folder 1548"])([1961])[Music/Gloria: short score and drafts]. https://collections.library.yale.edu/catalog/2019699.