Cita APA

Ager, D. V., & Ager, D. V. (1963). Principles of paleoecology: An introduction to the study of how and where animals and plants lived in the past. New York, New York: McGraw-Hill.

Citación estilo Chicago

Ager, Derek Victor, y Derek Victor Ager. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived in the Past. New York, New York: McGraw-Hill, 1963.

Cita MLA

Ager, Derek Victor, y Derek Victor Ager. Principles of Paleoecology: An Introduction to the Study of How and Where Animals and Plants Lived in the Past. New York, New York: McGraw-Hill, 1963.