APA (7th ed.) Citation

Goldman, H. M., & Cohen, D. W. (1980). Periodontal therapy. Mosby.

Chicago Style (17th ed.) Citation

Goldman, Henry M., and D. Walter Cohen. Periodontal Therapy. St. Louis: Mosby, 1980.

MLA (9th ed.) Citation

Goldman, Henry M., and D. Walter Cohen. Periodontal Therapy. Mosby, 1980.