Cite

148. People eating outdoors. Group.

MLA

Marinetti, F. T., 1876-1944. 148. People eating outdoors. Group.. Box 49, folder 1944. August 1925. https://collections.library.yale.edu/catalog/2008689.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 49, folder 1944"])(August 1925)[148. People eating outdoors. Group.]. https://collections.library.yale.edu/catalog/2008689.