Cita APA (7th ed.)
SpringerLink (Online service) & Bellentani, S. BMC Gastroenterology. BioMed Central : Imprint: BioMed Central.
Cita Chicago (17th ed.)
SpringerLink (Online service) i Stefano Bellentani. BMC Gastroenterology. London: BioMed Central : Imprint: BioMed Central.
Cita MLA (9th ed.)
SpringerLink (Online service) i Stefano Bellentani. BMC Gastroenterology. BioMed Central : Imprint: BioMed Central.
Atenció: Aquestes cites poden no estar 100% correctes.