APA (7th ed.) Citation

Crispen, P. D. (2000). Crispen's Five Antivirus Rules.

Chicago Style (17th ed.) Citation

Crispen, Patrick Douglas. Crispen's Five Antivirus Rules. 2000.

MLA (9th ed.) Citation

Crispen, Patrick Douglas. Crispen's Five Antivirus Rules. 2000.

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