Cita APA (7a ed.)

Shackley, M. S. (2005). Obsidian: Geology and Archaeology in the North American Southwest. University of Arizona Press.

Cita Chicago Style (17a ed.)

Shackley, M. Steven. Obsidian: Geology and Archaeology in the North American Southwest. Tucson: University of Arizona Press, 2005.

Cita MLA (8a ed.)

Shackley, M. Steven. Obsidian: Geology and Archaeology in the North American Southwest. University of Arizona Press, 2005.