Citação norma APA

Howard, M. 2. (1990). The springtime of nations. Foreign affairs. - publ. by the Council on Foreign Relations.

Citação norma Chicago

Howard, Michael 29.11.1922-30.11.2019. "The Springtime of Nations." Foreign Affairs. - Publ. by the Council on Foreign Relations 1990.

Citação norma MLA

Howard, Michael 29.11.1922-30.11.2019. "The Springtime of Nations." Foreign Affairs. - Publ. by the Council on Foreign Relations, 1990.

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