[Contact sheet depicting protesting laborers and their children in various settings]
MLA
Lewis, Jon. [Contact Sheet Depicting Protesting Laborers and Their Children in Various Settings]. 1966. https://collections.library.yale.edu/catalog/10186982.
APA, 6th edition
Lewis, J. (1966). [Contact sheet depicting protesting laborers and their children in various settings] [Contact sheets, Photographic prints.--aat, photographs (AAT)]. https://collections.library.yale.edu/catalog/10186982.