APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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