Παραπομπή APA

Barbanis, B., & Hadjidemetrioce, T. (1974). Galaxies and reativistic astrophysics [proceedings]. Springer-Verlag.

Παραπομπή Chicago Style

Barbanis, B., και T.D Hadjidemetrioce. Galaxies and Reativistic Astrophysics [proceedings]. Berlin: Springer-Verlag, 1974.

Παραπομπή MLA

Barbanis, B., και T.D Hadjidemetrioce. Galaxies and Reativistic Astrophysics [proceedings]. Springer-Verlag, 1974.