MLA

Marinetti, F. T., 1876-1944. Cover of a catalogue. “Marinetti alle Edizioni della Lupa.” No source, [9161-1]. box 115, slide 61. no date. https://collections.library.yale.edu/catalog/10663932.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 115, slide 61"])(no date)[Cover of a catalogue. “Marinetti alle Edizioni della Lupa.” No source, [9161-1]]. https://collections.library.yale.edu/catalog/10663932.