Citação norma APA

Barbour, C., & Wright, G. C. (2015). Keeping the republic: Power and citizenship in American politics (6th ed.). Sage.

Citação norma Chicago

Barbour, Christine, and Gerald C. Wright. Keeping the Republic: Power and Citizenship in American Politics. 6th ed. California: Sage, 2015.

Citação norma MLA

Barbour, Christine, and Gerald C. Wright. Keeping the Republic: Power and Citizenship in American Politics. 6th ed. Sage, 2015.

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