APA način citiranja (7. izdanje)
ebrary, Inc, & Gregersen, N. H. (2003). From complexity to life: On the emergence of life and meaning. Oxford University Press.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, i Niels Henrik Gregersen. From Complexity to Life: On the Emergence of Life and Meaning. Oxford ; New York: Oxford University Press, 2003.
MLA način citiranja (9. izdanje)
ebrary, Inc, i Niels Henrik Gregersen. From Complexity to Life: On the Emergence of Life and Meaning. Oxford University Press, 2003.
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