APA (7th ed.) Citation

O'Brien, R. C. (1977). Dental radiography: An introduction for dental hygienists and assistants. Saunders.

Chicago Style (17th ed.) Citation

O'Brien, Richard C. Dental Radiography: An Introduction for Dental Hygienists and Assistants. Philadelphia: Saunders, 1977.

MLA (9th ed.) Citation

O'Brien, Richard C. Dental Radiography: An Introduction for Dental Hygienists and Assistants. Saunders, 1977.