Cita APA (7a ed.)

Meggelen, J. V., Smith, J., & Madsen, L. (2005). Asterisk: The future of telephony. O'Reilly.

Cita Chicago Style (17a ed.)

Meggelen, Jim Van, Jared Smith, y Leif Madsen. Asterisk: The Future of Telephony. Sebastopol, Calif.: O'Reilly, 2005.

Cita MLA (8a ed.)

Meggelen, Jim Van, et al. Asterisk: The Future of Telephony. O'Reilly, 2005.