APA (7th ed.) Citation

SL, H., DL, R., & RL, L. (1997). The Shoulder Pain and Disability Index: The construct validity and responsiveness of a region-specific disability measure. Physical Therapy, 77(10), 1079. https://doi.org/10.1093/ptj/77.10.1079

Chicago Style (17th ed.) Citation

SL, Heald, Riddle DL, and Lamb RL. "The Shoulder Pain and Disability Index: The Construct Validity and Responsiveness of a Region-specific Disability Measure." Physical Therapy 77, no. 10 (1997): 1079. https://doi.org/10.1093/ptj/77.10.1079.

MLA (9th ed.) Citation

SL, Heald, et al. "The Shoulder Pain and Disability Index: The Construct Validity and Responsiveness of a Region-specific Disability Measure." Physical Therapy, vol. 77, no. 10, 1997, p. 1079, https://doi.org/10.1093/ptj/77.10.1079.