APA (7th ed.) Citation

Garfinkel, S., & Spafford, G. (1997). Web security and commerce. O'Reilly.

Chicago Style (17th ed.) Citation

Garfinkel, Simson, and Gene Spafford. Web Security and Commerce. Beijing [u.a.]: O'Reilly, 1997.

MLA (9th ed.) Citation

Garfinkel, Simson, and Gene Spafford. Web Security and Commerce. O'Reilly, 1997.