Cita APA (7th ed.)
Moeller, H. (2006). Luhmann explained: From souls to systems. Open Court.
Cita Chicago (17th ed.)
Moeller, Hans-Georg. Luhmann Explained: From Souls to Systems. Chicago: Open Court, 2006.
Cita MLA (9th ed.)
Moeller, Hans-Georg. Luhmann Explained: From Souls to Systems. Open Court, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.