MLA

Linton, W. J. (William James), 1812-1897. Worcell, Stanisław Gabriel. Box 2, folder 123. 1856 January 14. https://collections.library.yale.edu/catalog/17327103.

APA, 6th edition

Linton, W. J. (William James), 1812-1897. (["Box 2, folder 123"])(1856 January 14)[Worcell, Stanisław Gabriel]. https://collections.library.yale.edu/catalog/17327103.