APA (7th ed.) Citation

Gokcek, G., Gueldry, M. R., & Hebron, L. (2019). Understanding new security threats. Routledge.

Chicago Style (17th ed.) Citation

Gokcek, Gigi, Michel R. Gueldry, and Lui Hebron. Understanding New Security Threats. New York: Routledge, 2019.

MLA (9th ed.) Citation

Gokcek, Gigi, et al. Understanding New Security Threats. Routledge, 2019.