Cita APA

Chaisson, E., & McMillan, S. 1. (1999). Astronomy today (3rd ed.). Upper Saddle River, N.J.: Prentice Hall.

Citación estilo Chicago

Chaisson, Eric., y S. 1955- McMillan. Astronomy Today. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1999.

Cita MLA

Chaisson, Eric., y S. 1955- McMillan. Astronomy Today. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1999.