APA (7th ed.) Citation

Liddle, A. R., & Loveday, J. (2008). The Oxford companion to cosmology (1. publ.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Liddle, Andrew R., and Jon Loveday. The Oxford Companion to Cosmology. 1. publ. Oxford: Oxford Univ. Press, 2008.

MLA (9th ed.) Citation

Liddle, Andrew R., and Jon Loveday. The Oxford Companion to Cosmology. 1. publ. Oxford Univ. Press, 2008.