Cita APA (7a ed.)

Estats Units d'Amèrica. (1987). Defending secrets, sharing data: New locks and keys for electronic information. Congress of the United States. Office of Technology Assessment.

Cita Chicago Style (17a ed.)

Estats Units d'Amèrica. Defending Secrets, Sharing Data: New Locks and Keys for Electronic Information. Washington, DC: Congress of the United States. Office of Technology Assessment, 1987.

Cita MLA (9a ed.)

Estats Units d'Amèrica. Defending Secrets, Sharing Data: New Locks and Keys for Electronic Information. Congress of the United States. Office of Technology Assessment, 1987.