APA (7th ed.) Citation

Ratcliffe, M. (2008). State of the Universe 2008: New Images, Discoveries, and Events. Praxis Publishing Ltd..

Chicago Style (17th ed.) Citation

Ratcliffe, Martin. State of the Universe 2008: New Images, Discoveries, and Events. New York, NY: Praxis Publishing Ltd., 2008.

MLA (8th ed.) Citation

Ratcliffe, Martin. State of the Universe 2008: New Images, Discoveries, and Events. Praxis Publishing Ltd., 2008.