Penggayaan APA
Ager, Derek V. (1963).
Principles of paleoecology .
New York:
McGraw-Hill Book Company.
Chicago Style
Ager, Derek V.
Principles of paleoecology.
New York:
McGraw-Hill Book Company,
1963.
Text.
MLA Style
Ager, Derek V.
Principles of paleoecology.
New York:
McGraw-Hill Book Company,
1963.
Text.
Turabian Style
Ager, Derek V.
Principles of paleoecology.
New York:
McGraw-Hill Book Company,
1963.
Print.