APA stil citiranja

Luhmann, N. (1995). Social systems: Social systems. Stanford, Calif.: Stanford University Press.

Chicago stil citiranja

Luhmann, Niklas. Social systems: Social systems. Stanford, Calif.: Stanford University Press, 1995.

MLA stil citiranja

Luhmann, Niklas. Social systems: Social systems. Stanford, Calif.: Stanford University Press, 1995.

Napomena: Ova citiranost nije uvijek 100% točna.