Cita APA (7th ed.)

Singer, D. (1980). The correlates of war II: Testing some realpolotik models. The Free Press.

Cita Chicago (17th ed.)

Singer, David. The Correlates of War II: Testing Some Realpolotik Models. The Free Press, 1980.

Cita MLA (9th ed.)

Singer, David. The Correlates of War II: Testing Some Realpolotik Models. The Free Press, 1980.