APA (7th ed.) Citation

Stewart, B., & Newbery, S. (2015). Why spy?: The art of intelligence (1. publ. in the United Kingdom.). Hurst.

Chicago Style (17th ed.) Citation

Stewart, Brian, and Samantha Newbery. Why Spy?: The Art of Intelligence. 1. publ. in the United Kingdom. London: Hurst, 2015.

MLA (9th ed.) Citation

Stewart, Brian, and Samantha Newbery. Why Spy?: The Art of Intelligence. 1. publ. in the United Kingdom. Hurst, 2015.