Cita APA

Fix, J. D. (2008). Astronomy: Journey to the cosmic frontier. Boston: McGraw-Hill Higher Education.

Chicago Style Citation

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston: McGraw-Hill Higher Education, 2008.

Cita MLA

Fix, John D. Astronomy: Journey to the Cosmic Frontier. Boston: McGraw-Hill Higher Education, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.