Cita APA (7a ed.)

Codex, 7. M. (1992). The basics book of X.25 packet switching. Reading, Mass : Addison-Wesley.

Cita Chicago Style (17a ed.)

Codex, 7341 Motorola. The Basics Book of X.25 Packet Switching. Reading, Mass : Addison-Wesley, 1992.

Cita MLA (9a ed.)

Codex, 7341 Motorola. The Basics Book of X.25 Packet Switching. Reading, Mass : Addison-Wesley, 1992.

Precaución: Estas citas no son 100% exactas.