Cita APA (7th ed.)

Vacca, J. R. (2007). Biometric technologies and verification systems. Butterworth-Heinemann/Elsevier.

Cita Chicago (17th ed.)

Vacca, John R. Biometric Technologies and Verification Systems. Amsterdam: Butterworth-Heinemann/Elsevier, 2007.

Cita MLA (9th ed.)

Vacca, John R. Biometric Technologies and Verification Systems. Butterworth-Heinemann/Elsevier, 2007.