Cita APA (7th ed.)
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.
Cita Chicago (17th ed.)
Foerster, Heinz von, Albert Müller, i Karl H. Müller. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Nueva York, EUA: Fordham University.
Cita MLA (9th ed.)
Foerster, Heinz von, et al. The Beginning of Heaven and Earth Has No Name: Seven Days with Second-Order Cybernetics. Fordham University.
Atenció: Aquestes cites poden no estar 100% correctes.