Six sonatas for the pianoforte or harpsichord with an accompanyment for a violin & violoncello
MLA
Horn, Charles Frederick, 1762-1830. Six sonatas for the pianoforte or harpsichord with an accompanyment for a violin & violoncello. Box 89 | Folder 418. [1786]. https://collections.library.yale.edu/catalog/10000210.
APA, 6th edition
Horn, Charles Frederick, 1762-1830. (["Box 89 | Folder 418"])([1786])[Six sonatas for the pianoforte or harpsichord with an accompanyment for a violin & violoncello]. https://collections.library.yale.edu/catalog/10000210.