MLA

Koch, Frederick R. (Frederick Robinson). Music/Saeviat tellus inter rigores. Box 258, folder 1600-1600a. [1707]. https://collections.library.yale.edu/catalog/2065750.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 258, folder 1600-1600a"])([1707])[Music/Saeviat tellus inter rigores]. https://collections.library.yale.edu/catalog/2065750.