(male nude, rear view, stepping into hot tub)
MLA
Giard, Robert. (Male Nude, Rear View, Stepping into Hot Tub). 0AD. https://collections.library.yale.edu/catalog/2034875.
APA, 6th edition
Giard, R. (0 C.E.). (male nude, rear view, stepping into hot tub). https://collections.library.yale.edu/catalog/2034875.