Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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