APA Style
Thornbury, William, D.. (1985).
Principles of geomorphology (2).
New York:
John Wiley & Sons.
Chicago Style
Thornbury, William, D..
Principles of geomorphology.
2
New York:
John Wiley & Sons,
1985.
Text.
MLA Style
Thornbury, William, D..
Principles of geomorphology.
2
New York:
John Wiley & Sons,
1985.
Text.
Turabian Style
Thornbury, William, D..
Principles of geomorphology.
2
New York:
John Wiley & Sons,
1985.
Print.