APA (7th ed.) Citation

Silva, A. G., Punt, T. D., & Johnson, M. I. (1000). Reliability and validity of head posture assessment by observation and a four-category scale.

Chicago Style (17th ed.) Citation

Silva, A. G., T. D. Punt, and M. I. Johnson. Reliability and Validity of Head Posture Assessment by Observation and a Four-category Scale. 1000.

MLA (8th ed.) Citation

Silva, A. G., et al. Reliability and Validity of Head Posture Assessment by Observation and a Four-category Scale. 1000.