Cita APA

Burnham, R., Dyer, A., & Kanipe, J. (2002). Astronomy: Definitive guide. Fog City Press.

Citación estilo Chicago

Burnham, Robert, Alan Dyer, y Jeff Kanipe. Astronomy: Definitive Guide. San Francisco: Fog City Press, 2002.

Cita MLA

Burnham, Robert, et al. Astronomy: Definitive Guide. Fog City Press, 2002.