APA (7th ed.) Citation

O'Neill, M., & Ryan, C. (2003). Grammatical evolution: Evolutionary automatic programming in an arbitrary language. Kluwer Academic Publishers.

Chicago Style (17th ed.) Citation

O'Neill, Michael, and Conor Ryan. Grammatical Evolution: Evolutionary Automatic Programming in an Arbitrary Language. Boston: Kluwer Academic Publishers, 2003.

MLA (9th ed.) Citation

O'Neill, Michael, and Conor Ryan. Grammatical Evolution: Evolutionary Automatic Programming in an Arbitrary Language. Kluwer Academic Publishers, 2003.