[Music book]
MLA
Bach, Johann Christian, 1735-1782, Handel, George Frideric, 1685-1759, Purcell, Henry, 1659-1695. [Music book]. Box 830. [circa 1829-1839]. https://collections.library.yale.edu/catalog/10000245.
APA, 6th edition
Bach, Johann Christian, 1735-1782, & Handel, George Frideric, 1685-1759, & Purcell, Henry, 1659-1695. (["Box 830"])([circa 1829-1839])[[Music book]]. https://collections.library.yale.edu/catalog/10000245.