Cita APA (7a ed.)

Leiss, E. L. (1990). Software under siege: : viruses and worms. Elsevier Advanced Technology.

Cita Chicago Style (17a ed.)

Leiss, Ernst L. Software Under Siege: : Viruses and Worms. Oxford: Elsevier Advanced Technology, 1990.

Cita MLA (9a ed.)

Leiss, Ernst L. Software Under Siege: : Viruses and Worms. Elsevier Advanced Technology, 1990.