MLA

Solus Adest [Graphic]. Publish'd according to act of Parliament by R. Sayer opposite Fetter Lane, 0AD. https://collections.library.yale.edu/catalog/16194093.

APA, 6th edition

Solus adest [graphic]. (0 C.E.). [Annotations (Provenance) 18th century, Portrait prints, Stipple engravings England London 1749, Etchings England London 1749]. Publish'd according to act of Parliament by R. Sayer opposite Fetter Lane. https://collections.library.yale.edu/catalog/16194093.