Cita APA (7th ed.)
Heringman, N. (2004). Romantic rocks, aesthetic geology. Cornell University Press.
Cita Chicago (17th ed.)
Heringman, Noah. Romantic Rocks, Aesthetic Geology. Ithaca, N.Y.: Cornell University Press, 2004.
Cita MLA (9th ed.)
Heringman, Noah. Romantic Rocks, Aesthetic Geology. Cornell University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.