Cita APA

Fix, J. D. (2006). Astronomy: Journey to the cosmic frontier. New York: McGraw-Hill Higher Education.

Chicago Style Citation

Fix, John D. Astronomy: Journey to the Cosmic Frontier. New York: McGraw-Hill Higher Education, 2006.

Cita MLA

Fix, John D. Astronomy: Journey to the Cosmic Frontier. New York: McGraw-Hill Higher Education, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.