APA aipamena

von Elm, E., Altman, D., Egger, M., Pocock, S., Gøtzsche, P., Vandenbroucke, J., & initiative, S. (2007). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: Guidelines for reporting observational studies. Elsevier.

Chicago Style aipamena

von Elm, E., DG Altman, M. Egger, SJ Pocock, P. Gøtzsche, J. Vandenbroucke, and STROBE initiative. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Elsevier, 2007.

MLA aipamena

von Elm, E., et al. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies. Elsevier, 2007.