APA (7th ed.) Citation

Leney, T., Coles, M., & Grollman, P. (2004). Scenarios toolkit. Office for Official Publications of the European Communities.

Chicago Style (17th ed.) Citation

Leney, Tom, Mike Coles, and Philipp Grollman. Scenarios Toolkit. Luxembourg: Office for Official Publications of the European Communities, 2004.

MLA (8th ed.) Citation

Leney, Tom, et al. Scenarios Toolkit. Office for Official Publications of the European Communities, 2004.