APA Style
Thornbury, William D.. (1969).
Principles of Geomorphology Second Edition (2).
New York:
John Wiley & Sons, Inc..
Chicago Style
Thornbury, William D..
Principles of Geomorphology Second Edition.
2
New York:
John Wiley & Sons, Inc.,
1969.
Text.
MLA Style
Thornbury, William D..
Principles of Geomorphology Second Edition.
2
New York:
John Wiley & Sons, Inc.,
1969.
Text.
Turabian Style
Thornbury, William D..
Principles of Geomorphology Second Edition.
2
New York:
John Wiley & Sons, Inc.,
1969.
Print.