Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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