APA (7th ed.) Citation

Koenig, D., Glover, A., King, P., Laforge, G., & Skeet, J. (2007). Groovy in Action. Manning Publications.

Chicago Style (17th ed.) Citation

Koenig, Dierk, Andrew Glover, Paul King, Guillaume Laforge, and Jon Skeet. Groovy in Action. Manning Publications, 2007.

MLA (9th ed.) Citation

Koenig, Dierk, et al. Groovy in Action. Manning Publications, 2007.