MLA

Marinetti, F. T., 1876-1944. W. Pett Ridge. No title. [Enquête mondiale sur la littérature?]. With J.H.-Rosny. [Partially Illegible Image] [1186-1]. box 16, slide 6. no date. https://collections.library.yale.edu/catalog/10650292.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 16, slide 6"])(no date)[W. Pett Ridge. No title. [Enquête mondiale sur la littérature?]. With J.H.-Rosny. [Partially Illegible Image] [1186-1]]. https://collections.library.yale.edu/catalog/10650292.