Cita APA (7a ed.)

Leiss, E. L. (1982). Principles of data security. Plenum.

Cita Chicago Style (17a ed.)

Leiss, Ernst L. Principles of Data Security. New York [etc.]: Plenum, 1982.

Cita MLA (9a ed.)

Leiss, Ernst L. Principles of Data Security. Plenum, 1982.