APA (7th ed.) Zitazioa

Merritts, D. J., & DeWet, A. (1998). Environmental geology: An earth systems approach. W.H. Freeman and Company.

Chicago Style (17th ed.) Zitazioa

Merritts, Dorothy J., eta Andrew DeWet. Environmental Geology: An Earth Systems Approach. New York: W.H. Freeman and Company, 1998.

MLA (9th ed.) Zitazioa

Merritts, Dorothy J., eta Andrew DeWet. Environmental Geology: An Earth Systems Approach. W.H. Freeman and Company, 1998.