APA (7th ed.) Citation

EC, R., & Rodriguez-Merchan, E. C. (2012). Knee instruments and rating scales designed to measure outcomes. Journal of Orthopaedics & Traumatology, 13(1), 1. https://doi.org/10.1007/s10195-011-0177-4

Chicago Style (17th ed.) Citation

EC, Rodriguez-Merchan, and E Carlos Rodriguez-Merchan. "Knee Instruments and Rating Scales Designed to Measure Outcomes." Journal of Orthopaedics & Traumatology 13, no. 1 (2012): 1. https://doi.org/10.1007/s10195-011-0177-4.

MLA (9th ed.) Citation

EC, Rodriguez-Merchan, and E Carlos Rodriguez-Merchan. "Knee Instruments and Rating Scales Designed to Measure Outcomes." Journal of Orthopaedics & Traumatology, vol. 13, no. 1, 2012, p. 1, https://doi.org/10.1007/s10195-011-0177-4.