Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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