Cita APA (7a ed.)

Keet, E. E. (1985). Preventing piracy: A business guide to software protection. Addison-Wesley.

Cita Chicago Style (17a ed.)

Keet, Ernest E. Preventing Piracy: A Business Guide to Software Protection. Reading, Mass. [u.a.]: Addison-Wesley, 1985.

Cita MLA (9a ed.)

Keet, Ernest E. Preventing Piracy: A Business Guide to Software Protection. Addison-Wesley, 1985.