Snowden, E. J., & Cruz Santaella, E. (2019). Vigilancia permanente. Planeta.
Chicago Style (17th ed.) CitationSnowden, Edward J., and Esther Cruz Santaella. Vigilancia Permanente. Barcelona: Planeta, 2019.
MLA (9th ed.) CitationSnowden, Edward J., and Esther Cruz Santaella. Vigilancia Permanente. Planeta, 2019.
Warning: These citations may not always be 100% accurate.