Music/Arrangements/Paisiello, La serva padrona: score
MLA
Koch, Frederick R. (Frederick Robinson). Music/Arrangements/Paisiello, La serva padrona: score. Box 188, folder 1530. 1920 Mar. https://collections.library.yale.edu/catalog/10512094.
APA, 6th edition
Koch, Frederick R. (Frederick Robinson). (["Box 188, folder 1530"])(1920 Mar)[Music/Arrangements/Paisiello, La serva padrona: score]. https://collections.library.yale.edu/catalog/10512094.