APA (7th ed.) Citation

Harrison, L., & Callan, T. (2013). Key research concepts in politics and international relations. Sage Publications.

Chicago Style (17th ed.) Citation

Harrison, Lisa, and Theresa Callan. Key Research Concepts in Politics and International Relations. Thousand Oaks (Calif.): Sage Publications, 2013.

MLA (9th ed.) Citation

Harrison, Lisa, and Theresa Callan. Key Research Concepts in Politics and International Relations. Sage Publications, 2013.