Style de citation APA (7e éd.)

Viergever, R. F., Karam, G., Reis, A., & Ghersi, D. (2014). The quality of registration of clinical trials: Still a problem. Public Library of Science (PLoS).

Style de citation Chicago (17e éd.)

Viergever, Roderik F., Ghassan Karam, Andreas Reis, et Davina Ghersi. The Quality of Registration of Clinical Trials: Still a Problem. Public Library of Science (PLoS), 2014.

Style de citation MLA (8e éd.)

Viergever, Roderik F., et al. The Quality of Registration of Clinical Trials: Still a Problem. Public Library of Science (PLoS), 2014.