Dalton, A. M., & Simmons, H. C. (2010). Ecotheology and the practice of hope. State University of New York Press.

Dalton, Anne Marie, and Henry C. Simmons. Ecotheology and the Practice of Hope. Albany: State University of New York Press, 2010.

Dalton, Anne Marie, and Henry C. Simmons. Ecotheology and the Practice of Hope. State University of New York Press, 2010.