MLA

A Tragical Ballad of the Unfortunate Loves of Lord Thomas and Fair Eleanor, Together with the Downfall of the Brown Girl. Printed and sold by J. Evans, No. 41, Long Lane, 0AD. https://collections.library.yale.edu/catalog/17124757.

APA, 6th edition

A tragical ballad of the unfortunate loves of Lord Thomas and fair Eleanor, together with the downfall of the brown girl. (0 C.E.). [Early works to 1800, Poetry, Broadside poems, Single sheet verse, Woodcuts England 18th century]. Printed and sold by J. Evans, No. 41, Long Lane. https://collections.library.yale.edu/catalog/17124757.