Cita APA (7th ed.)

ebrary, Inc, & Vacca, J. R. (2014). Network and system security (2nd ed.). Academic Press.

Cita Chicago (17th ed.)

ebrary, Inc, i John R. Vacca. Network and System Security. 2nd ed. Waltham, Mass.: Academic Press, 2014.

Cita MLA (9th ed.)

ebrary, Inc, i John R. Vacca. Network and System Security. 2nd ed. Academic Press, 2014.