APA Style
Duckson, Don W.. (1999).
EXERCISES IN PHYSICAL GEOGRAPHY, THIRD EDITION (3).
New York:
McGraw-Hill.
Chicago Style
Duckson, Don W..
EXERCISES IN PHYSICAL GEOGRAPHY, THIRD EDITION.
3
New York:
McGraw-Hill,
1999.
Text.
MLA Style
Duckson, Don W..
EXERCISES IN PHYSICAL GEOGRAPHY, THIRD EDITION.
3
New York:
McGraw-Hill,
1999.
Text.
Turabian Style
Duckson, Don W..
EXERCISES IN PHYSICAL GEOGRAPHY, THIRD EDITION.
3
New York:
McGraw-Hill,
1999.
Print.