Cita APA

Wray, J. D., & Wray, J. D. (1988). The color atlas of galaxies. New York, New York: Cambridge University Press.

Citación estilo Chicago

Wray, James D., y James D. Wray. The Color Atlas of Galaxies. New York, New York: Cambridge University Press, 1988.

Cita MLA

Wray, James D., y James D. Wray. The Color Atlas of Galaxies. New York, New York: Cambridge University Press, 1988.