APA (7th ed.) Citation

Machin, D., Day, S., & Green, S. B. (2006). Textbook of clinical trials (2nd ed.). Wiley & Sons.

Chicago Style (17th ed.) Citation

Machin, David, Simon Day, and Sylvan B. Green. Textbook of Clinical Trials. 2nd ed. Chichester, West Sussex, England: Wiley & Sons, 2006.

MLA (9th ed.) Citation

Machin, David, et al. Textbook of Clinical Trials. 2nd ed. Wiley & Sons, 2006.