Cita APA (7th ed.)

Christopherson, R. W. (1994). Applied physical geography: Geosystems in the laboratory. Macmillan.

Cita Chicago (17th ed.)

Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. New York: Macmillan, 1994.

Cita MLA (9th ed.)

Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. Macmillan, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.