MLA

An Excellent Ballad of the Lord Mohun and Duke Hamilton. With an Exact Account of Their Melancholy Deaths. Printed and sold in Aldermary Church-yard, Bow-Lane, London, 0AD. https://collections.library.yale.edu/catalog/17124754.

APA, 6th edition

An excellent ballad of the Lord Mohun and Duke Hamilton. With an exact account of their melancholy deaths. (0 C.E.). [Poetry, Early works to 1800, Ballads, Single sheet verse, Broadside poems, Woodcuts England London 1750]. Printed and sold in Aldermary Church-yard, Bow-Lane, London. https://collections.library.yale.edu/catalog/17124754.