APA (7th ed.) Citation

Liddle, A. R., & Loveday, J. (2008). The Oxford companion to cosmology / Andrew Liddle and Jon Loveday. Oxford University Press.

Chicago Style (17th ed.) Citation

Liddle, Andrew R., and Jon Loveday. The Oxford Companion to Cosmology / Andrew Liddle and Jon Loveday. Oxford: Oxford University Press, 2008.

MLA (9th ed.) Citation

Liddle, Andrew R., and Jon Loveday. The Oxford Companion to Cosmology / Andrew Liddle and Jon Loveday. Oxford University Press, 2008.

Warning: These citations may not always be 100% accurate.