APA (7th ed.) Citation

Goldman, H. M., & Cohen, D. W. (1968). Periodontal therapy (4th ed.). Mosby.

Chicago Style (17th ed.) Citation

Goldman, Henry Maurice, and David Walter Cohen. Periodontal Therapy. 4th ed. St. Louis: Mosby, 1968.

MLA (9th ed.) Citation

Goldman, Henry Maurice, and David Walter Cohen. Periodontal Therapy. 4th ed. Mosby, 1968.