Cite

1910 Aug 30 10 p. On envelope, a pencil drawing of a face

MLA

Marinetti, F. T., 1876-1944. 1910 Aug 30 10 p. On envelope, a pencil drawing of a face. Box 12, folder 656. 1898-1970. https://collections.library.yale.edu/catalog/2057692.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 12, folder 656"])(1898-1970)[1910 Aug 30 10 p. On envelope, a pencil drawing of a face]. https://collections.library.yale.edu/catalog/2057692.