Slobodkin, L. B. (2003). A citizen's guide to ecology. Oxford University Press.
Cita Chicago (17th ed.)Slobodkin, Lawrence B. A Citizen's Guide to Ecology. New York, N.Y.: Oxford University Press, 2003.
Cita MLA (9th ed.)Slobodkin, Lawrence B. A Citizen's Guide to Ecology. Oxford University Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.