APA (7th ed.) Citation

Hagen, J., & Widgrén, M. (2001). Regionalism in Europe: Geometries and Strategies After 2000. Springer US.

Chicago Style (17th ed.) Citation

Hagen, Jürgen, and Mika Widgrén. Regionalism in Europe: Geometries and Strategies After 2000. Boston, MA: Springer US, 2001.

MLA (9th ed.) Citation

Hagen, Jürgen, and Mika Widgrén. Regionalism in Europe: Geometries and Strategies After 2000. Springer US, 2001.

Warning: These citations may not always be 100% accurate.