APA

National Institutes of Health (U.S.), . (1972). Catalog, Division of Dental Health 1972. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1972. Catalog, Division of Dental Health 1972. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1972). Catalog, Division of Dental Health 1972. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Catalog, Division of Dental Health 1972. [Washington, D.C: . 1972.