APA (7th ed.) Citation

Layka, V., Judd, C., Nusairat, J., & Shingler, J. (2012). Beginning Groovy, Grails and Griffon (1st edition.). Apress.

Chicago Style (17th ed.) Citation

Layka, Vishal, Christopher Judd, Joseph Nusairat, and Jim Shingler. Beginning Groovy, Grails and Griffon. 1st edition. Apress, 2012.

MLA (9th ed.) Citation

Layka, Vishal, et al. Beginning Groovy, Grails and Griffon. 1st edition. Apress, 2012.