MLA

Anderson, Sidney Raymond, 1889-1978. Scenery. 7, folder 88. n.d.. https://collections.library.yale.edu/catalog/33573837.

APA, 6th edition

Anderson, Sidney Raymond, 1889-1978. (["7, folder 88"])(n.d.)[Scenery]. https://collections.library.yale.edu/catalog/33573837.