APA način citiranja (7. izdanje)

Cummings, C. (1991). Eco-spirituality: Toward a reverent life. Paulist Press.

Čikaški stil citiranja (17. izdanje)

Cummings, Charles. Eco-spirituality: Toward a Reverent Life. Mahwah, New Jersey: Paulist Press, 1991.

MLA način citiranja (9. izdanje)

Cummings, Charles. Eco-spirituality: Toward a Reverent Life. Paulist Press, 1991.