Cita APA (7a ed.)

Clark, J. I. (1975). Freedom's frontiers: The story of the american people. Benziger.

Cita Chicago Style (17a ed.)

Clark, James I. Freedom's Frontiers: The Story of the American People. Beverly Hills: Benziger, 1975.

Cita MLA (8a ed.)

Clark, James I. Freedom's Frontiers: The Story of the American People. Benziger, 1975.