MLA

The Seaman of Dover. Printed and sold in Aldermary Church-Yard, 0AD. https://collections.library.yale.edu/catalog/17124928.

APA, 6th edition

The seaman of Dover. (0 C.E.). [Single sheet verse, Broadside poems, Woodcuts England London 1760]. Printed and sold in Aldermary Church-Yard. https://collections.library.yale.edu/catalog/17124928.