Cita APA (7a ed.)

Empson, S., & Roth, H. (2008). CCNP ONT portable command guide. Cisco Press.

Cita Chicago Style (17a ed.)

Empson, Scott, y Hans Roth. CCNP ONT Portable Command Guide. Indianapolis, Ind.: Cisco Press, 2008.

Cita MLA (8a ed.)

Empson, Scott, y Hans Roth. CCNP ONT Portable Command Guide. Cisco Press, 2008.