Cita APA (7a ed.)

Martin, D., & Shephard, C. (1998). The American West 1840 - 1895: The struggle for the plains ; a study in depth (1. publ.). Murray.

Cita Chicago Style (17a ed.)

Martin, Dave, y Colin Shephard. The American West 1840 - 1895: The Struggle for the Plains ; a Study in Depth. 1. publ. London: Murray, 1998.

Cita MLA (9a ed.)

Martin, Dave, y Colin Shephard. The American West 1840 - 1895: The Struggle for the Plains ; a Study in Depth. 1. publ. Murray, 1998.