APA

American Academy of Peridontology, . (2005). Journal of Periodontology. Chicago: American Academy of Peridontology.

Chicago

American Academy of Peridontology, . 2005. Journal of Periodontology. Chicago: American Academy of Peridontology.

Harvard

American Academy of Peridontology, . (2005). Journal of Periodontology. Chicago: American Academy of Peridontology.

MLA

American Academy of Peridontology, . Journal of Periodontology. Chicago: American Academy of Peridontology. 2005.