APA (7th ed.) Citation

Poulsen, K. (2011). Kingpin: How one hacker took over the billion-dollar cybercrime underground. Crown Publishers.

Chicago Style (17th ed.) Citation

Poulsen, Kevin. Kingpin: How One Hacker Took over the Billion-dollar Cybercrime Underground. New York: Crown Publishers, 2011.

MLA (8th ed.) Citation

Poulsen, Kevin. Kingpin: How One Hacker Took over the Billion-dollar Cybercrime Underground. Crown Publishers, 2011.

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