APA (7th ed.) Citation
Barratt, M., & ET AL. Use of Silk Road, the online drug marketplace, in the United Kingdom, Australia and the United States.
Chicago Style (17th ed.) Citation
Barratt, M.J, and ET AL. Use of Silk Road, the Online Drug Marketplace, in the United Kingdom, Australia and the United States.
MLA (9th ed.) Citation
Barratt, M.J, and ET AL. Use of Silk Road, the Online Drug Marketplace, in the United Kingdom, Australia and the United States.
Warning: These citations may not always be 100% accurate.