APA (7th ed.) Citation

Frothingham, O. B. (1874). Theodore Parker: A biography. Osgood.

Chicago Style (17th ed.) Citation

Frothingham, Octavius Brooks. Theodore Parker: A Biography. Boston: Osgood, 1874.

MLA (9th ed.) Citation

Frothingham, Octavius Brooks. Theodore Parker: A Biography. Osgood, 1874.

Warning: These citations may not always be 100% accurate.