Cite

ALS

MLA

Speck, William A. (William Alfred), 1864-1928. ALS. Box 9, folder 266. 1542-1967. https://collections.library.yale.edu/catalog/2005296.

APA, 6th edition

Speck, William A. (William Alfred), 1864-1928. (["Box 9, folder 266"])(1542-1967)[ALS]. https://collections.library.yale.edu/catalog/2005296.