MLA

Collings, Samuel, and printmaker. A Musico-Oratorical Portrait an Oddity Wags Have at Ye / [Graphic]. Publish'd as the act directs, by Bentley & Co., 0AD. https://collections.library.yale.edu/catalog/10732539.

APA, 6th edition

Collings, S., & printmaker. (0 C.E.). A musico-oratorical portrait an oddity wags have at ye / [graphic] [Caricatures and cartoons, Satires (Visual works) England 1791, Periodical illustrations, Stipple engravings England London 1791, Etchings England London 1791]. Publish'd as the act directs, by Bentley & Co. https://collections.library.yale.edu/catalog/10732539.