Cite

[Plate III]: Imogen in the cave / engraved by Isaac Taylor Junr. from a drawing by Charles Ryley.

MLA

Library, Lewis Walpole. [Plate III]: Imogen in the Cave / Engraved by Isaac Taylor Junr. from a Drawing by Charles Ryley. 1786. https://collections.library.yale.edu/catalog/33186940.

APA, 6th edition

Library, L. W. (1786). [Plate III]: Imogen in the cave / engraved by Isaac Taylor Junr. from a drawing by Charles Ryley. https://collections.library.yale.edu/catalog/33186940.