APA (7th ed.) Citation

Andrew Colvin, Tobias Feakin, & Calum Jeffray. Underground web: The cybercrime challenge.

Chicago Style (17th ed.) Citation

Andrew Colvin, Tobias Feakin, and Calum Jeffray. Underground Web: The Cybercrime Challenge.

MLA (9th ed.) Citation

Andrew Colvin, et al. Underground Web: The Cybercrime Challenge.

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