APA (7th ed.) Citation

Duffield, J. S. (1989). The evolution of NATO's conventional posture.

Chicago Style (17th ed.) Citation

Duffield, John S. The Evolution of NATO's Conventional Posture. 1989.

MLA (9th ed.) Citation

Duffield, John S. The Evolution of NATO's Conventional Posture. 1989.

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