Cita APA (7th ed.)

Heim, R., & Palm, G. (1978). Theoretical approaches to complex systems. Springer-Verlag.

Cita Chicago (17th ed.)

Heim, R., i G. Palm. Theoretical Approaches to Complex Systems. Berlín: Springer-Verlag, 1978.

Cita MLA (9th ed.)

Heim, R., i G. Palm. Theoretical Approaches to Complex Systems. Springer-Verlag, 1978.