Foerster, H. v. Circular Causality: The beginnings of an epistemology of responsibility / Heinz von Foerster. Transactions=Protokolle.(2003).
Čikaški stil citiranja (17. izdanje)Foerster, Heinz von. "Circular Causality: The Beginnings of an Epistemology of Responsibility / Heinz Von Foerster." Transactions=Protokolle.(2003) .
MLA način citiranja (8. izdanje)Foerster, Heinz von. "Circular Causality: The Beginnings of an Epistemology of Responsibility / Heinz Von Foerster." Transactions=Protokolle.(2003), .
Upozorenje: Ovi citati možda nisu uvijek 100% točni.