Cita APA (7th ed.)

ebrary, Inc, Altman, D. G., Egger, M., & Smith, G. D. (2001). Systematic reviews in health care: Meta-analysis in context (2nd ed.). BMJ.

Cita Chicago (17th ed.)

ebrary, Inc, Douglas G. Altman, Matthias Egger, i George Davey Smith. Systematic Reviews in Health Care: Meta-analysis in Context. 2nd ed. London: BMJ, 2001.

Cita MLA (9th ed.)

ebrary, Inc, et al. Systematic Reviews in Health Care: Meta-analysis in Context. 2nd ed. BMJ, 2001.