Cita APA

Christopherson, R. W. (2015). Geosystems: An introduction to physical geography. Harlow, England: Pearson Education Limited.

Chicago Style Citation

Christopherson, Robert W. Geosystems: An Introduction to Physical Geography. Harlow, England: Pearson Education Limited, 2015.

Cita MLA

Christopherson, Robert W. Geosystems: An Introduction to Physical Geography. Harlow, England: Pearson Education Limited, 2015.

Atenció: Aquestes cites poden no estar 100% correctes.