Cita APA (7th ed.)

North, R. C. (1990). War, peace, survival: Global politics... Westview press.

Cita Chicago (17th ed.)

North, Robert C. War, Peace, Survival: Global Politics... Boulder: Westview press, 1990.

Cita MLA (9th ed.)

North, Robert C. War, Peace, Survival: Global Politics... Westview press, 1990.