APA Style
Raup, David M., Stanley, Steven M.. (1971).
Principles of paleontology (second edition).
New York:
W.H. Freeman dan Company.
Chicago Style
Raup, David M., Stanley, Steven M..
Principles of paleontology.
second edition
New York:
W.H. Freeman dan Company,
1971.
Text.
MLA Style
Raup, David M., Stanley, Steven M..
Principles of paleontology.
second edition
New York:
W.H. Freeman dan Company,
1971.
Text.
Turabian Style
Raup, David M., Stanley, Steven M..
Principles of paleontology.
second edition
New York:
W.H. Freeman dan Company,
1971.
Print.