Baird, Spencer F.
MLA
Cooper, James Fenimore, 1789-1851. Baird, Spencer F.. Box 13, folder 349. 1850-1851. https://collections.library.yale.edu/catalog/16709500.
APA, 6th edition
Cooper, James Fenimore, 1789-1851. (["Box 13, folder 349"])(1850-1851)[Baird, Spencer F.]. https://collections.library.yale.edu/catalog/16709500.