APA-referens (7:e uppl.)
Foerster, H. v., Müller, A., & Müller, K. H. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Fordham University.
Chicago-referens (17:e uppl.)
Foerster, Heinz von, Albert Müller, och Karl H. Müller. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Nueva York, EUA: Fordham University.
MLA-referens (9:e uppl.)
Foerster, Heinz von, et al. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Fordham University.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.