APA (7th ed.) Citation

Pritchard, J. A. T. (1980). Computer security: Security software. NCC Publ.

Chicago Style (17th ed.) Citation

Pritchard, John A. T. Computer Security: Security Software. Manchester: NCC Publ, 1980.

MLA (9th ed.) Citation

Pritchard, John A. T. Computer Security: Security Software. NCC Publ, 1980.