Cita APA

McKay, A. B., & Wall, D. (2008). An old problem. BMJ Publishing Group Ltd.

Chicago Style Citation

McKay, A Breck, i Daryl Wall. An Old Problem. BMJ Publishing Group Ltd, 2008.

Cita MLA

McKay, A Breck, i Daryl Wall. An Old Problem. BMJ Publishing Group Ltd, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.