APA

Smith P. J., Singleton J. A., . (20080522). Vaccination coverage estimates for selected counties: achievement of Healthy People 2010 goals and association with indices of access to care, economic conditions, and demographic composition. : Public health reports (Washington, D.C. : 1974).

Chicago

Smith Philip J, Singleton James A, . 20080522. Vaccination coverage estimates for selected counties: achievement of Healthy People 2010 goals and association with indices of access to care, economic conditions, and demographic composition. : Public health reports (Washington, D.C. : 1974).

Harvard

Smith P. J., Singleton J. A., . (20080522). Vaccination coverage estimates for selected counties: achievement of Healthy People 2010 goals and association with indices of access to care, economic conditions, and demographic composition. : Public health reports (Washington, D.C. : 1974).

MLA

Smith Philip J, Singleton James A, . Vaccination coverage estimates for selected counties: achievement of Healthy People 2010 goals and association with indices of access to care, economic conditions, and demographic composition. : Public health reports (Washington, D.C. : 1974). 20080522.