APA

Ring M. E., . (1985). Dentistry. New York: Abradale.

Chicago

Ring Malvin E, . 1985. Dentistry. New York: Abradale.

Harvard

Ring M. E., . (1985). Dentistry. New York: Abradale.

MLA

Ring Malvin E, . Dentistry. New York: Abradale. 1985.