APA

Smith Pamela,, . (1997). What are they saying about environmental ethics?. New York: Paulist Press.

Chicago

Smith Pamela,, . 1997. What are they saying about environmental ethics?. New York: Paulist Press.

Harvard

Smith Pamela,, . (1997). What are they saying about environmental ethics?. New York: Paulist Press.

MLA

Smith Pamela,, . What are they saying about environmental ethics?. New York: Paulist Press. 1997.