APA (7e ed.) Bronvermelding

Foerster, H. v. Circular Causality: The beginnings of an epistemology of responsibility / Heinz von Foerster. Transactions=Protokolle.(2003).

Chicago (17e ed.) Bronvermelding

Foerster, Heinz von. "Circular Causality: The Beginnings of an Epistemology of Responsibility / Heinz Von Foerster." Transactions=Protokolle.(2003) .

MLA (8e ed.) Bronvermelding

Foerster, Heinz von. "Circular Causality: The Beginnings of an Epistemology of Responsibility / Heinz Von Foerster." Transactions=Protokolle.(2003), .