APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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