APA (7th ed.) Citation

Chaisson, E., & McMillan, S. (1999). Astronomy today (Third edition.). Prentice Hall.

Chicago Style (17th ed.) Citation

Chaisson, Eric, and S. McMillan. Astronomy Today. Third edition. Upper Saddle River, New Jersey: Prentice Hall, 1999.

MLA (9th ed.) Citation

Chaisson, Eric, and S. McMillan. Astronomy Today. Third edition. Prentice Hall, 1999.