Cita APA (7a ed.)

Norton, A. P., & Ridpath, I. (2004). Norton's star atlas and reference handbook: (epoch 2000.0) (20th ed.). Dutton.

Cita Chicago Style (17a ed.)

Norton, Arthur Philip, y Ian Ridpath. Norton's Star Atlas and Reference Handbook: (epoch 2000.0). 20th ed. New York: Dutton, 2004.

Cita MLA (9a ed.)

Norton, Arthur Philip, y Ian Ridpath. Norton's Star Atlas and Reference Handbook: (epoch 2000.0). 20th ed. Dutton, 2004.