Cita APA (7a ed.)

Wagner, K. H., & Harbison, L. (2005). The American West: Exploring new worlds (Dr. A, 3.). Schöningh.

Cita Chicago Style (17a ed.)

Wagner, Karl Heinz, y Larry Harbison. The American West: Exploring New Worlds. Dr. A, 3. Paderborn: Schöningh, 2005.

Cita MLA (9a ed.)

Wagner, Karl Heinz, y Larry Harbison. The American West: Exploring New Worlds. Dr. A, 3. Schöningh, 2005.