APA (7th ed.) Citation

Freeman, K., & McNamara, G. (2006). In Search of Dark Matter. Praxis Publishing Ltd.

Chicago Style (17th ed.) Citation

Freeman, Ken, and Geoff McNamara. In Search of Dark Matter. New York, NY: Praxis Publishing Ltd, 2006.

MLA (8th ed.) Citation

Freeman, Ken, and Geoff McNamara. In Search of Dark Matter. Praxis Publishing Ltd, 2006.