Cita APA (7a ed.)

Haken, H., & Wagner, M. (1973). Cooperative phenomena. Springer.

Cita Chicago Style (17a ed.)

Haken, Hermann, y M. Wagner. Cooperative Phenomena. Berlin [etc.]: Springer, 1973.

Cita MLA (9a ed.)

Haken, Hermann, y M. Wagner. Cooperative Phenomena. Springer, 1973.