Paul Mellon, far left, and Jules Prown, second from left, looking at one of the skylights in the Yale Center for British Art.
MLA
William B. Carter, Yale Department of Public Imformation. Paul Mellon, Far Left, and Jules Prown, Second from Left, Looking at One of the Skylights in the Yale Center for British Art. 1975. https://collections.library.yale.edu/catalog/10016388.
APA, 6th edition
William B. Carter, Y. D. of P. I. (1975). Paul Mellon, far left, and Jules Prown, second from left, looking at one of the skylights in the Yale Center for British Art. [Photographic prints]. https://collections.library.yale.edu/catalog/10016388.