APA (7th ed.) Citation

Nabers, C. L., & Stalker, W. H. (1990). Periodontal therapy. Decker.

Chicago Style (17th ed.) Citation

Nabers, Claude L., and Williams H. Stalker. Periodontal Therapy. Toronto: Decker, 1990.

MLA (9th ed.) Citation

Nabers, Claude L., and Williams H. Stalker. Periodontal Therapy. Decker, 1990.