APA (7th ed.) Zitazioa

Owen, H. (1973). The next phase in foreign policy. The Brookings Institution.

Chicago Style (17th ed.) Zitazioa

Owen, Henry. The Next Phase in Foreign Policy. Washington, D.C: The Brookings Institution, 1973.

MLA (9th ed.) Zitazioa

Owen, Henry. The Next Phase in Foreign Policy. The Brookings Institution, 1973.