APA (7th ed.) Citation

Rocher, G. K., & Brown, J. (2009). The definitive guide to Grails (2nd ed.). Apress. https://doi.org/10.1007/978-1-4302-0871-6

Chicago Style (17th ed.) Citation

Rocher, Graeme Keith, and Jeff Brown. The Definitive Guide to Grails. 2nd ed. Berkeley, CA: Apress, 2009. https://doi.org/10.1007/978-1-4302-0871-6.

MLA (9th ed.) Citation

Rocher, Graeme Keith, and Jeff Brown. The Definitive Guide to Grails. 2nd ed. Apress, 2009. https://doi.org/10.1007/978-1-4302-0871-6.