APA Style
GILLULY, James. (1951).
Principles of geology. .
San Francisco:
W.H. Freeman and company.
Chicago Style
GILLULY, James.
Principles of geology..
San Francisco:
W.H. Freeman and company,
1951.
Text.
MLA Style
GILLULY, James.
Principles of geology..
San Francisco:
W.H. Freeman and company,
1951.
Text.
Turabian Style
GILLULY, James.
Principles of geology..
San Francisco:
W.H. Freeman and company,
1951.
Print.