Cita APA (7a ed.)

Keller, C., & Kearns, L. (2007). Ecospirit: Religions and Philosophies for the Earth. Fordham University Press.

Cita Chicago Style (17a ed.)

Keller, Catherine, y Laurel Kearns. Ecospirit: Religions and Philosophies for the Earth. New York: Fordham University Press, 2007.

Cita MLA (8a ed.)

Keller, Catherine, y Laurel Kearns. Ecospirit: Religions and Philosophies for the Earth. Fordham University Press, 2007.