APA (7th ed.) Citation

Held, G. (1993). Top secret data encryption techniques. Sams Pub.

Chicago Style (17th ed.) Citation

Held, Gilbert. Top Secret Data Encryption Techniques. Carmel, IN: Sams Pub, 1993.

MLA (8th ed.) Citation

Held, Gilbert. Top Secret Data Encryption Techniques. Sams Pub, 1993.

Warning: These citations may not always be 100% accurate.