Cita APA (7th ed.)

Rengel, A. (2013). Privacy in the 21st century. Martinus Nijhoff Publishers.

Cita Chicago (17th ed.)

Rengel, Alexandra. Privacy in the 21st Century. Leiden: Martinus Nijhoff Publishers, 2013.

Cita MLA (9th ed.)

Rengel, Alexandra. Privacy in the 21st Century. Martinus Nijhoff Publishers, 2013.