Cita APA (7th ed.)

Luhmann, N., & Barrett, R. (2013). Theory of society. Stanford University Press.

Cita Chicago (17th ed.)

Luhmann, Niklas, i Rhodes Barrett. Theory of Society. Stanford, Calif.: Stanford University Press, 2013.

Cita MLA (9th ed.)

Luhmann, Niklas, i Rhodes Barrett. Theory of Society. Stanford University Press, 2013.