MLA

Keller, Deane, 1901-1992. "Florence" [damage to Uffizi Gallery, fresco restoration]. Box 27, folder 107 - 108. 1940-1960 (inclusive), 1943-1946 (bulk). https://collections.library.yale.edu/catalog/10012514.

APA, 6th edition

Keller, Deane, 1901-1992. (["Box 27, folder 107 - 108"])(1940-1960 (inclusive), 1943-1946 (bulk))["Florence" [damage to Uffizi Gallery, fresco restoration]]. https://collections.library.yale.edu/catalog/10012514.