APA (7th ed.) Citation

Silva, A., Sharples, P., Punt, D., Vilas-Boas, J., & Johnson, M. (2012). Age-related differences in head posture between patients with neck pain and pain-free individuals.

Chicago Style (17th ed.) Citation

Silva, A., P. Sharples, D. Punt, JP Vilas-Boas, and MI Johnson. Age-related Differences in Head Posture Between Patients with Neck Pain and Pain-free Individuals. 2012.

MLA (8th ed.) Citation

Silva, A., et al. Age-related Differences in Head Posture Between Patients with Neck Pain and Pain-free Individuals. 2012.