MLA

Wigstead, Henry. http://id.loc.gov/authorities/names/nr93042206. The Tithe Pig [Graphic] / Wigstead 1786. H. Brookes, Coventry Street, 1786. https://collections.library.yale.edu/catalog/11791459.

APA, 6th edition

Wigstead, H. http://id.loc.gov/authorities/names/nr93042206. (1786). The tithe pig [graphic] / Wigstead 1786. [Aquatints--England--1786., Etchings--England--1786., Satires (Visual works)--England--1786.]. H. Brookes, Coventry Street. https://collections.library.yale.edu/catalog/11791459.