Allen, B., Pederson, L. L., & Leonard, E. H. (1998). Effectiveness of physicians-in-training counseling for smoking cessation in African Americans. National Medical Association.
Citação norma ChicagoAllen, B., L. L. Pederson, and E. H. Leonard. Effectiveness of Physicians-in-training Counseling for Smoking Cessation in African Americans. National Medical Association, 1998.
Citação norma MLAAllen, B., L. L. Pederson, and E. H. Leonard. Effectiveness of Physicians-in-training Counseling for Smoking Cessation in African Americans. National Medical Association, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.