APA Style
Green, Jen. (2001).
Polar Regions .
United States:
Cooper Beech Books.
Chicago Style
Green, Jen.
Polar Regions.
United States:
Cooper Beech Books,
2001.
Text.
MLA Style
Green, Jen.
Polar Regions.
United States:
Cooper Beech Books,
2001.
Text.
Turabian Style
Green, Jen.
Polar Regions.
United States:
Cooper Beech Books,
2001.
Print.