Cita APA (7a ed.)

Fix, J. D. (1995). Astronomy: Journey to the cosmic frontier. Mosby.

Cita Chicago Style (17a ed.)

Fix, John D. Astronomy: Journey to the Cosmic Frontier. St. Louis: Mosby, 1995.

Cita MLA (8a ed.)

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Mosby, 1995.