Cita APA (7a ed.)

Mihalas, D., & McRae Routly, P. (1967). Galactic Astronomy. Freeman.

Cita Chicago Style (17a ed.)

Mihalas, Dimitri, y Paul McRae Routly. Galactic Astronomy. San Francisco: Freeman, 1967.

Cita MLA (9a ed.)

Mihalas, Dimitri, y Paul McRae Routly. Galactic Astronomy. Freeman, 1967.