Cite

[Unidentified male character, with his right arm behind his back and a hat under his left arm]

MLA

Library, Lewis Walpole. [Unidentified Male Character, with His Right Arm behind His Back and a Hat under His Left Arm]. 0AD. https://collections.library.yale.edu/catalog/33189015.

APA, 6th edition

Library, L. W. (0 C.E.). [Unidentified male character, with his right arm behind his back and a hat under his left arm]. https://collections.library.yale.edu/catalog/33189015.