MLA

Bossong, Raphael; Carrapico, Helena, and Helena Carrapico. Eu Borders and Shifting Internal Security. Springer International Publishing, 2016.

APA

Bossong, H., & Carrapico, H. (2016). EU Borders and Shifting Internal Security. Springer International Publishing.

Chicago

Bossong, Raphael; Carrapico, Helena, and Helena Carrapico. EU Borders and Shifting Internal Security. : Springer International Publishing, 2016.