Citazione Stile APA (7a Edizione)

ebrary, Inc, Villa, P., & Brun, S. (2009). Comparative effectiveness of medical treatments. Nova Science Publishers, Inc..

Citazione stile Chigago Style (17a edizione)

ebrary, Inc, Peter Villa, e Sophia Brun. Comparative Effectiveness of Medical Treatments. New York: Nova Science Publishers, Inc., 2009.

Citatione MLA (9a ed.)

ebrary, Inc, et al. Comparative Effectiveness of Medical Treatments. Nova Science Publishers, Inc., 2009.