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.