APA (7th ed.) Citation

Baer, P. N. 1., & Benjamin, S. D. (1974). Periodontal disease in children and adolescents. Lippincott.

Chicago Style (17th ed.) Citation

Baer, Paul N. 19XX-2012, and Sheldon D. Benjamin. Periodontal Disease in Children and Adolescents. Philadelphia u.a: Lippincott, 1974.

MLA (9th ed.) Citation

Baer, Paul N. 19XX-2012, and Sheldon D. Benjamin. Periodontal Disease in Children and Adolescents. Lippincott, 1974.