MLA

Marinetti, F. T., 1876-1944. Cippriano E. Oppo. “La Mostra d'arte del sindacato Umbro.” La Tribuna, Roma, 8 agosto 1931. With 4 photos of paintings. [06671-1]. box 84, slide 51. 1931. https://collections.library.yale.edu/catalog/10659221.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 84, slide 51"])(1931)[Cippriano E. Oppo. “La Mostra d'arte del sindacato Umbro.” La Tribuna, Roma, 8 agosto 1931. With 4 photos of paintings. [06671-1]]. https://collections.library.yale.edu/catalog/10659221.