Cita APA (7th ed.)

Marsh, W. M. (2002). Environmental geography: science, land use, and earth: Systems. Wiley.

Cita Chicago (17th ed.)

Marsh, William M. Environmental Geography: Science, Land Use, and Earth: Systems. New York: Wiley, 2002.

Cita MLA (9th ed.)

Marsh, William M. Environmental Geography: Science, Land Use, and Earth: Systems. Wiley, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.