Cita APA (7a ed.)

Duggan, M. (2010). CCIE routing and switching v4.0 configuration practice labs (2nd ed.). [Cisco Press].

Cita Chicago Style (17a ed.)

Duggan, Martin. CCIE Routing and Switching V4.0 Configuration Practice Labs. 2nd ed. [Indianapolis, Ind.]: [Cisco Press], 2010.

Cita MLA (8a ed.)

Duggan, Martin. CCIE Routing and Switching V4.0 Configuration Practice Labs. 2nd ed. [Cisco Press], 2010.