Cita APA

Mihalas, D., & Routly, P. M. (1968). Galactic astronomy. W. H. Freeman.

Chicago Edition Citation

Mihalas, Dimitri, i Paul McRae Routly. Galactic Astronomy. San Francisco: W. H. Freeman, 1968.

Cita MLA

Mihalas, Dimitri, i Paul McRae Routly. Galactic Astronomy. W. H. Freeman, 1968.