MLA

Marinetti, F. T., 1876-1944. Polish newspaper dated 1927 containing a long article about Joseph Conrad. [04852-1]. box 61, slide 72. 1927. https://collections.library.yale.edu/catalog/10656386.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["box 61, slide 72"])(1927)[Polish newspaper dated 1927 containing a long article about Joseph Conrad. [04852-1]]. https://collections.library.yale.edu/catalog/10656386.