APA (7th ed.) Citation

Silva, A. G., Punt, T. D., Sharples, P., Boas, J. P. V., & Johnson, M. I. (2009). Head posture assessment for patients with neck pain: Is it useful?

Chicago Style (17th ed.) Citation

Silva, Anabela Gonçalves, T. David Punt, Paul Sharples, João Paulo Vilas Boas, and Mark I. Johnson. Head Posture Assessment for Patients with Neck Pain: Is It Useful? 2009.

MLA (8th ed.) Citation

Silva, Anabela Gonçalves, et al. Head Posture Assessment for Patients with Neck Pain: Is It Useful? 2009.