APA (7th ed.) Citation

Katzan, H. (1974). Computer data security / (by) Harry Katzan, Jr. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Katzan, Harry. Computer Data Security / (by) Harry Katzan, Jr. New York ; London: Van Nostrand Reinhold, 1974.

MLA (9th ed.) Citation

Katzan, Harry. Computer Data Security / (by) Harry Katzan, Jr. Van Nostrand Reinhold, 1974.

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