APA (7th ed.) Citation

RM, F., M, B., AO, F., & T, D. (1987). Problems in the assessment of outcome in a back pain clinic. International disability studies, 9(4), 161. https://doi.org/10.3109/03790798709166354

Chicago Style (17th ed.) Citation

RM, Fitzpatrick, Bury M, Frank AO, and Donnelly T. "Problems in the Assessment of Outcome in a Back Pain Clinic." International Disability Studies 9, no. 4 (1987): 161. https://doi.org/10.3109/03790798709166354.

MLA (9th ed.) Citation

RM, Fitzpatrick, et al. "Problems in the Assessment of Outcome in a Back Pain Clinic." International Disability Studies, vol. 9, no. 4, 1987, p. 161, https://doi.org/10.3109/03790798709166354.