MLA

Osgood, Samuel Stillman, 1808-1885, Welch, Thomas B., 1814-1874. David Crockett. https://collections.library.yale.edu/catalog/2000766.

APA, 6th edition

Osgood, Samuel Stillman, 1808-1885, & Welch, Thomas B., 1814-1874. [David Crockett]. https://collections.library.yale.edu/catalog/2000766.