APA (7th ed.) Citation

Hartley, K. (2020). NATO At 70: A Political Economy Perspective. Springer International Publishing AG.

Chicago Style (17th ed.) Citation

Hartley, Keith. NATO At 70: A Political Economy Perspective. Cham: Springer International Publishing AG, 2020.

MLA (9th ed.) Citation

Hartley, Keith. NATO At 70: A Political Economy Perspective. Springer International Publishing AG, 2020.

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