APA

Johnson B. E., National Institutes of Health (U.S.), . (1972). Formocresol pulpotomy in primary teeth. [Washington, D.C: .

Chicago

Johnson Bruce E, National Institutes of Health (U.S.), . 1972. Formocresol pulpotomy in primary teeth. [Washington, D.C: .

Harvard

Johnson B. E., National Institutes of Health (U.S.), . (1972). Formocresol pulpotomy in primary teeth. [Washington, D.C: .

MLA

Johnson Bruce E, National Institutes of Health (U.S.), . Formocresol pulpotomy in primary teeth. [Washington, D.C: . 1972.