Cita APA (7a ed.)

Harper, K. T. (1998). Natural history of the Colorado Plateau and Great Basin ([Pbk. ed., 1998].). University Press of Colorado.

Cita Chicago Style (17a ed.)

Harper, K. T. Natural History of the Colorado Plateau and Great Basin. [Pbk. ed., 1998]. Niwot, Colo.: University Press of Colorado, 1998.

Cita MLA (8a ed.)

Harper, K. T. Natural History of the Colorado Plateau and Great Basin. [Pbk. ed., 1998]. University Press of Colorado, 1998.