Citace podle APA (7th ed.)
Pielou, E. C. (1991). After the Ice Age: The return of life to glaciated North America. University of Chicago Press.
Citace podle Chicago (17th ed.)
Pielou, E. C. After the Ice Age: The Return of Life to Glaciated North America. Chicago: University of Chicago Press, 1991.
Citace podle MLA (9th ed.)
Pielou, E. C. After the Ice Age: The Return of Life to Glaciated North America. University of Chicago Press, 1991.
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