APA (7th ed.) Citation

Jackson, B., & Clark, C. I. (2007). Asterisk hacking: Toolkit and liveCD. Syngress.

Chicago Style (17th ed.) Citation

Jackson, Benjamin, and Champ III Clark. Asterisk Hacking: Toolkit and LiveCD. Burlington, Mass: Syngress, 2007.

MLA (9th ed.) Citation

Jackson, Benjamin, and Champ III Clark. Asterisk Hacking: Toolkit and LiveCD. Syngress, 2007.