Cite

An Mignon [and] Wonne der Wehmuth

MLA

Speck, William A. (William Alfred), 1864-1928. An Mignon [and] Wonne der Wehmuth. Box 2, folder 25. n.d.. https://collections.library.yale.edu/catalog/2064617.

APA, 6th edition

Speck, William A. (William Alfred), 1864-1928. (["Box 2, folder 25"])(n.d.)[An Mignon [and] Wonne der Wehmuth]. https://collections.library.yale.edu/catalog/2064617.