Cite

344. FTM with five unidentified men. Two of these men appear in nos. 342 and 343.

MLA

Marinetti, F. T., 1876-1944. 344. FTM with five unidentified men. Two of these men appear in nos. 342 and 343.. Box 51, folder 1960. n.d.. https://collections.library.yale.edu/catalog/2009171.

APA, 6th edition

Marinetti, F. T., 1876-1944. (["Box 51, folder 1960"])(n.d.)[344. FTM with five unidentified men. Two of these men appear in nos. 342 and 343.]. https://collections.library.yale.edu/catalog/2009171.