APA Style
Thornbury, William D.. (1964).
Principles of Geomorphology .
New York:
John Wiley & Sons.
Chicago Style
Thornbury, William D..
Principles of Geomorphology.
New York:
John Wiley & Sons,
1964.
Text.
MLA Style
Thornbury, William D..
Principles of Geomorphology.
New York:
John Wiley & Sons,
1964.
Text.
Turabian Style
Thornbury, William D..
Principles of Geomorphology.
New York:
John Wiley & Sons,
1964.
Print.