Cite

[Union of the two crowns] [graphic]

MLA

Walker, J. G., and printmaker. [Union of the Two Crowns] [Graphic]. Pubd. Febry. 1st, 1806, by R. Bowyer, Historic Gallery, Pall Mall, 0AD. https://collections.library.yale.edu/catalog/16816614.

APA, 6th edition

Walker, J. G., & printmaker. (0 C.E.). [Union of the two crowns] [graphic] [Engravings England London 1806]. Pubd. Febry. 1st, 1806, by R. Bowyer, Historic Gallery, Pall Mall. https://collections.library.yale.edu/catalog/16816614.