Cita APA

Ward, K. D. (2015). The waterpipe: An emerging global epidemic in need of action. Tob Control.

Chicago Style Citation

Ward, Kenneth D. "The Waterpipe: An Emerging Global Epidemic in Need of Action." Tob Control 2015.

Cita MLA

Ward, Kenneth D. "The Waterpipe: An Emerging Global Epidemic in Need of Action." Tob Control 2015.

Atenció: Aquestes cites poden no estar 100% correctes.