APA način citiranja

Contopoulos, G., Spyrou, N., & Vlahos, L. (1994). Galactic dynamics and n-body simulations. Springer - verlag.

Čikaški stil citiranja

Contopoulos, G., N.K Spyrou, i L. Vlahos. Galactic Dynamics and N-body Simulations. New York: Springer - verlag, 1994.

MLA način citiranja

Contopoulos, G., et al. Galactic Dynamics and N-body Simulations. Springer - verlag, 1994.