APA (7th ed.) Citation

Hill, C., & Hill, C. (2016). Foreign policy in the twenty-first century (Second edition.). Palgrave Macmillan.

Chicago Style (17th ed.) Citation

Hill, Christopher, and Christopher Hill. Foreign Policy in the Twenty-first Century. Second edition. London, [England] ; New York, New York: Palgrave Macmillan, 2016.

MLA (9th ed.) Citation

Hill, Christopher, and Christopher Hill. Foreign Policy in the Twenty-first Century. Second edition. Palgrave Macmillan, 2016.