Cite

Gette, Paul-Armand (from Series IV)

MLA

Chopin, Henri, 1922-2008. Gette, Paul-Armand (from Series IV). Box 115 (Broadside). 1948 2009. https://collections.library.yale.edu/catalog/16708199.

APA, 6th edition

Chopin, Henri, 1922-2008. (["Box 115 (Broadside)"])(1948 2009)[Gette, Paul-Armand (from Series IV)]. https://collections.library.yale.edu/catalog/16708199.