APA (7th ed.) Citation

Learmonth, Y. C., Motl, R. W., Sandroff, B. M., Pula, J. H., & Cadavid, D. (2013). Validation of patient determined disease steps (PDDS) scale scores in persons with multiple sclerosis. BMC neurology, 13(1), 37. https://doi.org/10.1186/1471-2377-13-37

Chicago Style (17th ed.) Citation

Learmonth, Yvonne C., Robert W. Motl, Brian M. Sandroff, John H. Pula, and Diego Cadavid. "Validation of Patient Determined Disease Steps (PDDS) Scale Scores in Persons with Multiple Sclerosis." BMC Neurology 13, no. 1 (2013): 37. https://doi.org/10.1186/1471-2377-13-37.

MLA (9th ed.) Citation

Learmonth, Yvonne C., et al. "Validation of Patient Determined Disease Steps (PDDS) Scale Scores in Persons with Multiple Sclerosis." BMC Neurology, vol. 13, no. 1, 2013, p. 37, https://doi.org/10.1186/1471-2377-13-37.