Cita APA (7a ed.)

Shaffer, S. L., & Simon, A. R. (1994). Network security. AP Professional.

Cita Chicago Style (17a ed.)

Shaffer, Steven L., y Alan R. Simon. Network Security. Boston [etc.]: AP Professional, 1994.

Cita MLA (9a ed.)

Shaffer, Steven L., y Alan R. Simon. Network Security. AP Professional, 1994.