MLA

Riolo, Rick, Mark Kotanchek, and William P Worzel. Genetic Programming Theory and Practice Xii. Springer International Publishing, 2015.

APA

Riolo, R., Kotanchek, M., & Worzel, W. P. (2015). Genetic Programming Theory and Practice XII. Springer International Publishing.

Chicago

Riolo, Rick, Mark Kotanchek, and William P Worzel. Genetic Programming Theory and Practice XII. : Springer International Publishing, 2015.