Cita APA

Vogel, L. (2011). No user fees, but perhaps user fees. Canadian Medical Association.

Chicago Style Citation

Vogel, Lauren. No User Fees, but Perhaps User Fees. Canadian Medical Association, 2011.

Cita MLA

Vogel, Lauren. No User Fees, but Perhaps User Fees. Canadian Medical Association, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.