[Contact sheet of an outdoor mass]
MLA
Lewis, Jon. [Contact Sheet of an Outdoor Mass]. 1966. https://collections.library.yale.edu/catalog/10186976.
APA, 6th edition
Lewis, J. (1966). [Contact sheet of an outdoor mass] [Contact sheets, Photographic prints.--aat, photographs (AAT)]. https://collections.library.yale.edu/catalog/10186976.