APA Style
Turk, Jonathan. (1989).
Introduction to environmental studies. .
Philadelphia:
Saunders College Publishing.
Chicago Style
Turk, Jonathan.
Introduction to environmental studies..
Philadelphia:
Saunders College Publishing,
1989.
Text.
MLA Style
Turk, Jonathan.
Introduction to environmental studies..
Philadelphia:
Saunders College Publishing,
1989.
Text.
Turabian Style
Turk, Jonathan.
Introduction to environmental studies..
Philadelphia:
Saunders College Publishing,
1989.
Print.