Ager, D. V. (1963). Principles of paleoecology: An introduction to the study of how and where animals and plants lived in the past. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Ager, Derek V. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived in the Past. New York: McGraw-Hill, 1963.
Citatione MLA (9a ed.)Ager, Derek V. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived in the Past. McGraw-Hill, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.