APA Style

Duckson, Don W.. (1999). EXERCISES IN PHYSICAL GEOGRAPHY THIRD EDITION (3). Boston: McGaw Hill.

Chicago Style

Duckson, Don W.. EXERCISES IN PHYSICAL GEOGRAPHY THIRD EDITION. 3 Boston: McGaw Hill, 1999. Text.

MLA Style

Duckson, Don W.. EXERCISES IN PHYSICAL GEOGRAPHY THIRD EDITION. 3 Boston: McGaw Hill, 1999. Text.

Turabian Style

Duckson, Don W.. EXERCISES IN PHYSICAL GEOGRAPHY THIRD EDITION. 3 Boston: McGaw Hill, 1999. Print.