APA (7th ed.) Citation

Liska, A., & Gallo, T. (2017). Ransomware: Defending against digital extortion (1st edition.). O'Reilly.

Chicago Style (17th ed.) Citation

Liska, Allan, and Timothy Gallo. Ransomware: Defending Against Digital Extortion. 1st edition. Beijing, [China]: O'Reilly, 2017.

MLA (9th ed.) Citation

Liska, Allan, and Timothy Gallo. Ransomware: Defending Against Digital Extortion. 1st edition. O'Reilly, 2017.