APA (7th ed.) Citation

Grimmel, A., & Giang, S. M. (2017). Solidarity in the European Union: A fundamental value in crisis. Springer.

Chicago Style (17th ed.) Citation

Grimmel, Andreas, and Susanne My Giang. Solidarity in the European Union: A Fundamental Value in Crisis. Cham, Switzerland: Springer, 2017.

MLA (9th ed.) Citation

Grimmel, Andreas, and Susanne My Giang. Solidarity in the European Union: A Fundamental Value in Crisis. Springer, 2017.