MLA

Heller, Louis Herman, 1839-1928, Watkins, Carleton E., 1829-191. Ike. 1873. https://collections.library.yale.edu/catalog/2009511.

APA, 6th edition

Heller, Louis Herman, 1839-1928, & Watkins, Carleton E., 1829-191. (1873)[Ike]. https://collections.library.yale.edu/catalog/2009511.