APA Style
Twenhofel, William H., Shrock, Robert R.. (1953).
Geological Sciences (Ed. 2).
New York:
Mc Graw Hill.
Chicago Style
Twenhofel, William H., Shrock, Robert R..
Geological Sciences.
Ed. 2
New York:
Mc Graw Hill,
1953.
Text.
MLA Style
Twenhofel, William H., Shrock, Robert R..
Geological Sciences.
Ed. 2
New York:
Mc Graw Hill,
1953.
Text.
Turabian Style
Twenhofel, William H., Shrock, Robert R..
Geological Sciences.
Ed. 2
New York:
Mc Graw Hill,
1953.
Print.