APA (7th ed.) Citation

Ridley, M. (2006). Francis Crick: Discoverer of the genetic code. Atlas Books.

Chicago Style (17th ed.) Citation

Ridley, Matt. Francis Crick: Discoverer of the Genetic Code. New York: Atlas Books, 2006.

MLA (9th ed.) Citation

Ridley, Matt. Francis Crick: Discoverer of the Genetic Code. Atlas Books, 2006.