APA (7th ed.) Citation

Rocher, G., & Brown, J. (2009). The Definitive Guide to Grails (Second Edition.). Apress.

Chicago Style (17th ed.) Citation

Rocher, Graeme, and Jeff Brown. The Definitive Guide to Grails. Second Edition. Berkeley, CA: Apress, 2009.

MLA (8th ed.) Citation

Rocher, Graeme, and Jeff Brown. The Definitive Guide to Grails. Second Edition. Apress, 2009.

Warning: These citations may not always be 100% accurate.