Não informado. (1959). Dental school newsletter. University of Puerto Rico, School of Dentistry.
Cita Chicago Style (17a ed.)Não informado. Dental School Newsletter. San Juan: University of Puerto Rico, School of Dentistry, 1959.
Cita MLA (8a ed.)Não informado. Dental School Newsletter. University of Puerto Rico, School of Dentistry, 1959.
Precaución: Estas citas no son 100% exactas.