APA aipamena

Thomsen, C. E., & Christopherson, R. W. (2015). Applied physical geography: Geosystems in the laboratory (Ninth edition.). Pearson.

Chicago Style aipamena

Thomsen, Charles E., and Robert W. Christopherson. Applied Physical Geography: Geosystems in the Laboratory. Ninth edition. Upper Saddle River, NJ: Pearson, 2015.

MLA aipamena

Thomsen, Charles E., and Robert W. Christopherson. Applied Physical Geography: Geosystems in the Laboratory. Ninth edition. Pearson, 2015.