APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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