APA (7th ed.) Citation

Zimmermann, H., Elsinger, M., & Burckhardt, A. (2024). International relations: Theories in action. Sage.

Chicago Style (17th ed.) Citation

Zimmermann, Hubert, Milena Elsinger, and Alex Burckhardt. International Relations: Theories in Action. Thousand Oaks: Sage, 2024.

MLA (9th ed.) Citation

Zimmermann, Hubert, et al. International Relations: Theories in Action. Sage, 2024.