APA (7th ed.) Citation

Brown, J. S., & Rocher, G. (2013). The definitive guide to grails 2. Apress Imprint: Apress.

Chicago Style (17th ed.) Citation

Brown, Jeff Scott, and Graeme Rocher. The Definitive Guide to Grails 2. Berkeley, CA: Apress Imprint: Apress, 2013.

MLA (8th ed.) Citation

Brown, Jeff Scott, and Graeme Rocher. The Definitive Guide to Grails 2. Apress Imprint: Apress, 2013.