Cita APA (7a ed.)
SpringerLink (Online service), Grimshaw, J., & Altman, D. Trials. BioMed Central : Imprint: BioMed Central.
Cita Chicago Style (17a ed.)
SpringerLink (Online service), Jeremy Grimshaw, y Doug Altman. Trials. London: BioMed Central : Imprint: BioMed Central.
Cita MLA (9a ed.)
SpringerLink (Online service), et al. Trials. BioMed Central : Imprint: BioMed Central.
Precaución: Estas citas no son 100% exactas.