Cita APA (7a ed.)

Luhmann, N. (1982). The differentiation of society. Columbia University Press.

Cita Chicago Style (17a ed.)

Luhmann, Niklas. The Differentiation of Society. New York: Columbia University Press, 1982.

Cita MLA (9a ed.)

Luhmann, Niklas. The Differentiation of Society. Columbia University Press, 1982.