Nield-Gehrig & Willmann. (2011). Foundations of periodontics for the dental hygienist (3rd ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago Style (17th ed.) CitationNield-Gehrig and Willmann. Foundations of Periodontics for the Dental Hygienist. 3rd ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2011.
MLA (8th ed.) CitationNield-Gehrig and Willmann. Foundations of Periodontics for the Dental Hygienist. 3rd ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2011.
Warning: These citations may not always be 100% accurate.