MLA

The Compleat Swearing-Master : a Rare New Salamanca Ballad : to the Tune of, Now Now the Fight's Done. Printed for Allen Banks, 1682. https://collections.library.yale.edu/catalog/11378468.

APA, 6th edition

The Compleat swearing-master : a rare new Salamanca ballad : to the tune of, Now now the fight's done. (1682). [Brit tracts]. Printed for Allen Banks. https://collections.library.yale.edu/catalog/11378468.