APA (7th ed.) Citation

Leuffen, D., Rittberger, B., & Schimmelfennig, F. (2022). Integration and differentiation in the European Union: Theory and policies ([2nd edition].). Palgrave Macmillan.

Chicago Style (17th ed.) Citation

Leuffen, Dirk, Berthold Rittberger, and Frank Schimmelfennig. Integration and Differentiation in the European Union: Theory and Policies. [2nd edition]. Cham, Switzerland: Palgrave Macmillan, 2022.

MLA (9th ed.) Citation

Leuffen, Dirk, et al. Integration and Differentiation in the European Union: Theory and Policies. [2nd edition]. Palgrave Macmillan, 2022.