Cita APA (7th ed.)
D. Helbing. Managing Complexity: Insights, Concepts, Applications. Springer.
Cita Chicago (17th ed.)
D. Helbing. Managing Complexity: Insights, Concepts, Applications. Berlín, Alemania: Springer.
Cita MLA (9th ed.)
D. Helbing. Managing Complexity: Insights, Concepts, Applications. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.