APA način citiranja

Janiaud, P., Agarwal, A., Tzoulaki, I., Theodoratou, E., Tsilidis, K. K., Evangelou, E., & Ioannidis, J. P. A. (2021). Validity of observational evidence on putative risk and protective factors: Appraisal of 3744 meta-analyses on 57 topics. BMC Med.

Čikaški stil citiranja

Janiaud, Perrine, Arnav Agarwal, Ioanna Tzoulaki, Evropi Theodoratou, Konstantinos K. Tsilidis, Evangelos Evangelou, i John P. A. Ioannidis. "Validity of Observational Evidence On Putative Risk and Protective Factors: Appraisal of 3744 Meta-analyses On 57 Topics." BMC Med 2021.

MLA način citiranja

Janiaud, Perrine, et al. "Validity of Observational Evidence On Putative Risk and Protective Factors: Appraisal of 3744 Meta-analyses On 57 Topics." BMC Med 2021.