Cite

"EMS Co. G" [includes photos of art deposit at Campo Tures]

MLA

Keller, Deane, 1901-1992. "EMS Co. G" [includes photos of art deposit at Campo Tures]. Box 27, folder 102. undated. https://collections.library.yale.edu/catalog/10015665.

APA, 6th edition

Keller, Deane, 1901-1992. (["Box 27, folder 102"])(undated)["EMS Co. G" [includes photos of art deposit at Campo Tures]]. https://collections.library.yale.edu/catalog/10015665.