Cita APA (7a ed.)

Haines, F. (1938). Northward spread of horses among the plains Indians.

Cita Chicago Style (17a ed.)

Haines, Francis. Northward Spread of Horses Among the Plains Indians. n.p, 1938.

Cita MLA (8a ed.)

Haines, Francis. Northward Spread of Horses Among the Plains Indians. 1938.

Precaución: Estas citas no son 100% exactas.