APA (7th ed.) Citation

Elias, S. A. (1997). The ice age history of southwestern national parks. Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Elias, Scott A. The Ice Age History of Southwestern National Parks. Washington [u.a.]: Smithsonian Inst. Press, 1997.

MLA (9th ed.) Citation

Elias, Scott A. The Ice Age History of Southwestern National Parks. Smithsonian Inst. Press, 1997.