MLA

Kerckhoven, Abraham van den, ca. 1618-1701, Liberti, Henricus, ca. 1600-1669, Sweelinck, Jan Pieterszoon, 1562-1621. Ancient organ music. [circa 1650s]. https://collections.library.yale.edu/catalog/2057972.

APA, 6th edition

Kerckhoven, Abraham van den, ca. 1618-1701, & Liberti, Henricus, ca. 1600-1669, & Sweelinck, Jan Pieterszoon, 1562-1621. ([circa 1650s])[Ancient organ music]. https://collections.library.yale.edu/catalog/2057972.