APA aipamena

Cook, J., Ramsay, C., & Vale, L. (2011). Guidance on minimally important clinical difference and trial size is needed.

Chicago Style aipamena

Cook, J., C. Ramsay, and L. Vale. Guidance on Minimally Important Clinical Difference and Trial Size Is Needed. 2011.

MLA aipamena

Cook, J., et al. Guidance on Minimally Important Clinical Difference and Trial Size Is Needed. 2011.