APA (7th ed.) Citation

Held, P., Wedel, H., & Wilhelmsen, L. (2005). New theme on clinical trials: A review series on methodologies and developments. Blackwell Publishing.

Chicago Style (17th ed.) Citation

Held, Peter, H. Wedel, and L. Wilhelmsen. New Theme on Clinical Trials: A Review Series on Methodologies and Developments. [Oxford, Eng.]: Blackwell Publishing, 2005.

MLA (8th ed.) Citation

Held, Peter, et al. New Theme on Clinical Trials: A Review Series on Methodologies and Developments. Blackwell Publishing, 2005.