Cita APA (7th ed.)

Cipriani, A., Furukawa, T., Churchill, R., & Barbui, C. (2007). Validity of indirect comparisons in meta-analysis.

Cita Chicago (17th ed.)

Cipriani, A., T. Furukawa, R. Churchill, i C. Barbui. Validity of Indirect Comparisons in Meta-analysis. 2007.

Cita MLA (9th ed.)

Cipriani, A., et al. Validity of Indirect Comparisons in Meta-analysis. 2007.