Cita APA (7a ed.)

Davis, W. M. (1915). Biographical memoir of John Wesley Powell. National Academy.

Cita Chicago Style (17a ed.)

Davis, William Morris. Biographical Memoir of John Wesley Powell. Washington: National Academy, 1915.

Cita MLA (9a ed.)

Davis, William Morris. Biographical Memoir of John Wesley Powell. National Academy, 1915.