APA-viite

Narlikar, J. V., & Burbidge, G. R. (2008). Facts and speculations in cosmology. Cambridge University Press.

Chicago-tyylinen lähdeviittaus

Narlikar, Jayant Vishnu, ja Geoffrey R. Burbidge. Facts and Speculations in Cosmology. Cambridge ; New York: Cambridge University Press, 2008.

MLA-viite

Narlikar, Jayant Vishnu, ja Geoffrey R. Burbidge. Facts and Speculations in Cosmology. Cambridge University Press, 2008.