APA (7th ed.) Citation

Stewart, B. (2020). Why spy?: The art of intelligence (Paperback edition.). Hurst & Company.

Chicago Style (17th ed.) Citation

Stewart, Brian. Why Spy?: The Art of Intelligence. Paperback edition. London: Hurst & Company, 2020.

MLA (9th ed.) Citation

Stewart, Brian. Why Spy?: The Art of Intelligence. Paperback edition. Hurst & Company, 2020.