MLA

McCandless, Stanley R. (Stanley Russell), 1897-. Glass teaching slides. Box 1 | Box 2 | Box 3 | Box 4. 1920-1985. https://collections.library.yale.edu/catalog/10021136.

APA, 6th edition

McCandless, Stanley R. (Stanley Russell), 1897-. (["Box 1 | Box 2 | Box 3 | Box 4"])(1920-1985)[Glass teaching slides]. https://collections.library.yale.edu/catalog/10021136.