APA

National Institutes of Health (U.S.), . (1970). Save your teeth. [Washington, D.C: .

Chicago

National Institutes of Health (U.S.), . 1970. Save your teeth. [Washington, D.C: .

Harvard

National Institutes of Health (U.S.), . (1970). Save your teeth. [Washington, D.C: .

MLA

National Institutes of Health (U.S.), . Save your teeth. [Washington, D.C: . 1970.