Cita APA (7a ed.)

Freeman, J. F. (2008). High Plains Horticulture: A History. University Press of Colorado.

Cita Chicago Style (17a ed.)

Freeman, John F. High Plains Horticulture: A History. Boulder, Colo.: University Press of Colorado, 2008.

Cita MLA (8a ed.)

Freeman, John F. High Plains Horticulture: A History. University Press of Colorado, 2008.