ALS : Carls Bad, to Countess Jaraczewska
MLA
Speck, William A. (William Alfred), 1864-1928. ALS : Carls Bad, to Countess Jaraczewska. Box 9, folder 282. 1823 Sep 4. https://collections.library.yale.edu/catalog/2005312.
APA, 6th edition
Speck, William A. (William Alfred), 1864-1928. (["Box 9, folder 282"])(1823 Sep 4)[ALS : Carls Bad, to Countess Jaraczewska]. https://collections.library.yale.edu/catalog/2005312.