Cita APA (7th ed.)

Chaisson, E., & McMillan, S. (2004). Astronomy: A beginner's guide to the universe (4th edition.). Pearson/Prentice Hall.

Cita Chicago (17th ed.)

Chaisson, Eric, i S. McMillan. Astronomy: A Beginner's Guide to the Universe. 4th edition. Upper Saddle River, N.J: Pearson/Prentice Hall, 2004.

Cita MLA (9th ed.)

Chaisson, Eric, i S. McMillan. Astronomy: A Beginner's Guide to the Universe. 4th edition. Pearson/Prentice Hall, 2004.