APA (7th ed.) Zitazioa
Derr, T. S., Neuhaus, R. J., & Nash, A. J. (1996). Environmental ethics and Christian Humanism. Abingdon Press.
Chicago Style (17th ed.) Zitazioa
Derr, Thomas Sieger, Richard John Neuhaus, eta A. James Nash. Environmental Ethics and Christian Humanism. Nashville: Abingdon Press, 1996.
MLA (9th ed.) Zitazioa
Derr, Thomas Sieger, et al. Environmental Ethics and Christian Humanism. Abingdon Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.