MLA

Marinetti, F. T., 1876-1944. Anton Giulio Bragaglia. “Le origini della aeropittura.” No source, [1933 or 1934]. Article on Aeropainting and Dottori. [7438-1]-[7439-1]. box 94, slide 18-19. 1933 or 1934. https://collections.library.yale.edu/catalog/10660488.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 94, slide 18-19"])(1933 or 1934)[Anton Giulio Bragaglia. “Le origini della aeropittura.” No source, [1933 or 1934]. Article on Aeropainting and Dottori. [7438-1]-[7439-1]]. https://collections.library.yale.edu/catalog/10660488.