APA (7th ed.) Citation

Frothingham, O. B. (1969). Gerrit Smith: A biography. Negro Universities Press.

Chicago Style (17th ed.) Citation

Frothingham, Octavius Brooks. Gerrit Smith: A Biography. New York: Negro Universities Press, 1969.

MLA (9th ed.) Citation

Frothingham, Octavius Brooks. Gerrit Smith: A Biography. Negro Universities Press, 1969.