APA
Barbour I. G. (., . (1972). Earth Might be Fair: Reflections on Ethics, Religion, and Ecology. New Jersey: Prentice-Hall.
Chicago
Barbour Ian G (ed.), . 1972. Earth Might be Fair: Reflections on Ethics, Religion, and Ecology. New Jersey: Prentice-Hall.
Harvard
Barbour I. G. (., . (1972). Earth Might be Fair: Reflections on Ethics, Religion, and Ecology. New Jersey: Prentice-Hall.
MLA
Barbour Ian G (ed.), . Earth Might be Fair: Reflections on Ethics, Religion, and Ecology. New Jersey: Prentice-Hall. 1972.
