Cite

Magrini, Angelo (from unidentified)

MLA

Koch, Frederick R. (Frederick Robinson). Magrini, Angelo (from unidentified). Box 49, folder 1044. 1918-28, n.d.. https://collections.library.yale.edu/catalog/16064685.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 49, folder 1044"])(1918-28, n.d.)[Magrini, Angelo (from unidentified)]. https://collections.library.yale.edu/catalog/16064685.