APA Citation

Gehrig, J. S., & Willmann, D. E. Foundations of periodontics for the dental hygienist (Fourth edition.).

Chicago Style Citation

Gehrig, Jill S., and Donald E. Willmann. Foundations of Periodontics for the Dental Hygienist. Fourth edition.

MLA Citation

Gehrig, Jill S., and Donald E. Willmann. Foundations of Periodontics for the Dental Hygienist. Fourth edition.

Warning: These citations may not always be 100% accurate.