Cita APA (7a ed.)

(1999). Using and managing ppp: Help for network administrators (1a. ed.). O'Reilly.

Cita Chicago Style (17a ed.)

Using and Managing Ppp: Help for Network Administrators. 1a. ed. EEUU: O'Reilly, 1999.

Cita MLA (8a ed.)

Using and Managing Ppp: Help for Network Administrators. 1a. ed. O'Reilly, 1999.