MLA

Delreux, Tom, and Johan Adriaensen. The Principal Agent Model and the European Union. Springer International Publishing, 2017.

APA

Delreux, T., & Adriaensen, J. (2017). The Principal Agent Model and the European Union. Springer International Publishing.

Chicago

Delreux, Tom, and Johan Adriaensen. The Principal Agent Model and the European Union. : Springer International Publishing, 2017.