Ager, D. V. (1963). Principles of paleoecology: An introduction to the study of how and where animals and plants lived. McGrwaw Hill.
Chicago Style (17th ed.) CitationAger, Derek V. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived. McGrwaw Hill, 1963.
MLA (8th ed.) CitationAger, Derek V. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived. McGrwaw Hill, 1963.
Warning: These citations may not always be 100% accurate.