APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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