Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Garfinkel, Simson, y Gene Spafford. Web Security & Commerce. Cambridge: O'Reilly, 1997.

Cita MLA (9a ed.)

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