APA (7th ed.) Citation

(1997). Sendmail (2nd edition.). O'Reilly.

Chicago Style (17th ed.) Citation

Sendmail. 2nd edition. Cambridge: O'Reilly, 1997.

MLA (8th ed.) Citation

Sendmail. 2nd edition. O'Reilly, 1997.

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