Citação norma APA

Davis, M. A., & Weeks, W. B. (2012). The Concentration of Out-of-pocket Expenditures on Complementary and Alternative Medicine in the United States.

Citação norma Chicago

Davis, Matthew A., and William B. Weeks. The Concentration of Out-of-pocket Expenditures On Complementary and Alternative Medicine in the United States. 2012.

Citação norma MLA

Davis, Matthew A., and William B. Weeks. The Concentration of Out-of-pocket Expenditures On Complementary and Alternative Medicine in the United States. 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.