Cita APA (7th ed.)

MARSH, W. M., & GROSSA, J. (2002). Environmental geography: Science, land use, and earth systems.-- ed.2. John Wiley and Sons.

Cita Chicago (17th ed.)

MARSH, William M., i John GROSSA. Environmental Geography: Science, Land Use, and Earth Systems.-- Ed.2. New York: John Wiley and Sons, 2002.

Cita MLA (9th ed.)

MARSH, William M., i John GROSSA. Environmental Geography: Science, Land Use, and Earth Systems.-- Ed.2. John Wiley and Sons, 2002.