Anonymous. “Inchiesta mondiale sulla poesia. Le risposte al nostro questionario.” No source, 1931. Answers from Govoni, Kassner, and Fierens. [7608-1] ; Efe Nero. “Costruire.” No source, no date. [7608-2] ; Card from the Automobile Club Marocain with “Lo Presti al Console Brigado.” [7608-3]
MLA
Marinetti, F. T., 1876-1944. Anonymous. “Inchiesta mondiale sulla poesia. Le risposte al nostro questionario.” No source, 1931. Answers from Govoni, Kassner, and Fierens. [7608-1] ; Efe Nero. “Costruire.” No source, no date. [7608-2] ; Card from the Automobile Club Marocain with “Lo Presti al Console Brigado.” [7608-3]. box 96, slide 28. 1931. https://collections.library.yale.edu/catalog/10660815.
APA, 6th edition
Marinetti, F. T., 1876-1944. (["box 96, slide 28"])(1931)[Anonymous. “Inchiesta mondiale sulla poesia. Le risposte al nostro questionario.” No source, 1931. Answers from Govoni, Kassner, and Fierens. [7608-1] ; Efe Nero. “Costruire.” No source, no date. [7608-2] ; Card from the Automobile Club Marocain with “Lo Presti al Console Brigado.” [7608-3]]. https://collections.library.yale.edu/catalog/10660815.