Cita APA (7a ed.)

Fix, J. D. (2001). Astronomyjourney to the cosmic frontierJohn D. Fix. McGraw-Hill.

Cita Chicago Style (17a ed.)

Fix, John D. Astronomyjourney to the Cosmic FrontierJohn D. Fix. McGraw-Hill, 2001.

Cita MLA (8a ed.)

Fix, John D. Astronomyjourney to the Cosmic FrontierJohn D. Fix. McGraw-Hill, 2001.