APA (7th ed.) Citation

Gstöhl, S., & Schunz, S. (2021). The external action of the European Union: Concepts, approaches, theories. Red Globe Press.

Chicago Style (17th ed.) Citation

Gstöhl, Sieglinde, and Simon Schunz. The External Action of the European Union: Concepts, Approaches, Theories. New York: Red Globe Press, 2021.

MLA (9th ed.) Citation

Gstöhl, Sieglinde, and Simon Schunz. The External Action of the European Union: Concepts, Approaches, Theories. Red Globe Press, 2021.