APA (7th ed.) Citation

Kröger, C. B., Winter, H., Shaw, R., & Leone, L. (2012). Guidelines for the evaluation of drug prevention: A manual for programme planners and evaluators EMCDDA manuals.

Chicago Style (17th ed.) Citation

Kröger, Christoph B., Heike Winter, Rose Shaw, and Liliana Leone. "Guidelines for the Evaluation of Drug Prevention: A Manual for Programme Planners and Evaluators." EMCDDA Manuals 2012.

MLA (9th ed.) Citation

Kröger, Christoph B., et al. "Guidelines for the Evaluation of Drug Prevention: A Manual for Programme Planners and Evaluators." EMCDDA Manuals, 2012.