Cita APA (7th ed.)
Skyttner, L. (2005). General systems theory: Problems, perspectives, practice (2nd ed.). World Scientific.
Cita Chicago (17th ed.)
Skyttner, Lars. General Systems Theory: Problems, Perspectives, Practice. 2nd ed. Singapore ; Hackensack, NJ: World Scientific, 2005.
Cita MLA (9th ed.)
Skyttner, Lars. General Systems Theory: Problems, Perspectives, Practice. 2nd ed. World Scientific, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.