Citace podle APA (7th ed.)

Foster, R. G., & Kreitzman, L. (2009). Seasons of life: The biological rhythms that enable living things to thrive and survive. Yale University Press.

Citace podle Chicago (17th ed.)

Foster, Russell G., a Leon Kreitzman. Seasons of Life: The Biological Rhythms That Enable Living Things to Thrive and Survive. New Haven: Yale University Press, 2009.

Citace podle MLA (9th ed.)

Foster, Russell G., a Leon Kreitzman. Seasons of Life: The Biological Rhythms That Enable Living Things to Thrive and Survive. Yale University Press, 2009.

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