Cita APA (7th ed.)
British Society of Periodontology. Journal of clinical periodontology. Munksgaard.
Cita Chicago (17th ed.)
British Society of Periodontology. Journal of Clinical Periodontology. Copenhagen: Munksgaard.
Cita MLA (9th ed.)
British Society of Periodontology. Journal of Clinical Periodontology. Munksgaard.
Atenció: Aquestes cites poden no estar 100% correctes.