Grinnell, G. B., & Reiger, J. F. (1972). The passing of the Great West: Selected papers of George Bird Grinnell. Winchester Press.
Cita Chicago Style (17a ed.)Grinnell, George Bird, y John F. Reiger. The Passing of the Great West: Selected Papers of George Bird Grinnell. [New York]: Winchester Press, 1972.
Cita MLA (8a ed.)Grinnell, George Bird, y John F. Reiger. The Passing of the Great West: Selected Papers of George Bird Grinnell. Winchester Press, 1972.
Precaución: Estas citas no son 100% exactas.