APA (7th ed.) Citation

Pielou, E. C. (1991). After the ice age: The return of life to glaciated North America. The University of Chicago Press.

Chicago Style (17th ed.) Citation

Pielou, E. C. After the Ice Age: The Return of Life to Glaciated North America. Chicago/London: The University of Chicago Press, 1991.

MLA (9th ed.) Citation

Pielou, E. C. After the Ice Age: The Return of Life to Glaciated North America. The University of Chicago Press, 1991.