APA Style
Garrels, Robert M.. (1951).
A Textbook of Geology .
:
Harper & Brothers, Publishers.
Chicago Style
Garrels, Robert M..
A Textbook of Geology.
:
Harper & Brothers, Publishers,
1951.
Text.
MLA Style
Garrels, Robert M..
A Textbook of Geology.
:
Harper & Brothers, Publishers,
1951.
Text.
Turabian Style
Garrels, Robert M..
A Textbook of Geology.
:
Harper & Brothers, Publishers,
1951.
Print.