Cita APA (7th ed.)
Müller, H. (2005). Periodontology: The essentials. Thieme.
Cita Chicago (17th ed.)
Müller, Hans-Peter. Periodontology: The Essentials. Stuttgart ; New York, NY: Thieme, 2005.
Cita MLA (9th ed.)
Müller, Hans-Peter. Periodontology: The Essentials. Thieme, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.