APA Style
Lutgens,Frederick K, Tarbuck,Edward J. (1989).
Essentials of Geology .
:
Merril,Publishing Company.
Chicago Style
Lutgens,Frederick K, Tarbuck,Edward J.
Essentials of Geology.
:
Merril,Publishing Company,
1989.
Text.
MLA Style
Lutgens,Frederick K, Tarbuck,Edward J.
Essentials of Geology.
:
Merril,Publishing Company,
1989.
Text.
Turabian Style
Lutgens,Frederick K, Tarbuck,Edward J.
Essentials of Geology.
:
Merril,Publishing Company,
1989.
Print.