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