APA (7th ed.) Citation

Schwartz, A. (2004). SpamAssassin (1. ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Schwartz, Alan. SpamAssassin. 1. ed. Beijing [u.a.]: O'Reilly, 2004.

MLA (9th ed.) Citation

Schwartz, Alan. SpamAssassin. 1. ed. O'Reilly, 2004.

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