APA

Moran J. M., Morgan M. D. & Wiersma J. H. (1986). Introduction to environmental science. New York: W.H. Freeman.

Chicago

Moran Joseph M, Morgan Michael D and Wiersma James H. 1986. Introduction to environmental science. New York: W.H. Freeman.

Harvard

Moran J. M., Morgan M. D. and Wiersma J. H. (1986). Introduction to environmental science. New York: W.H. Freeman.

MLA

Moran Joseph M, Morgan Michael D and Wiersma James H. Introduction to environmental science. New York: W.H. Freeman. 1986.