MLA

Marinetti, F. T., 1876-1944. Zoe Garbea Tomellini. “Scrisori din Italia. Simultanina sau teatrul sintetic.” No source, Bucarest, 21 mai 1931. [06645-1]. box 84, slide 25. 1931. https://collections.library.yale.edu/catalog/10659194.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 84, slide 25"])(1931)[Zoe Garbea Tomellini. “Scrisori din Italia. Simultanina sau teatrul sintetic.” No source, Bucarest, 21 mai 1931. [06645-1]]. https://collections.library.yale.edu/catalog/10659194.