Cita APA (7th ed.)
Hill, M. (2006). Geology of the Sierra Nevada (Rev. ed.). University of California Press.
Cita Chicago (17th ed.)
Hill, Mary. Geology of the Sierra Nevada. Rev. ed. Berkeley: University of California Press, 2006.
Cita MLA (9th ed.)
Hill, Mary. Geology of the Sierra Nevada. Rev. ed. University of California Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.