APA (7th ed.) Citation

Alghadir, A., Anwer, S., Iqbal, A., & Iqbal, Z. (2018). Test-retest reliability, validity, and minimum detectable change of visual analog, numerical rating, and verbal rating scales for measurement of osteoarthritic knee pain. Journal of pain research, 11, 851-856. https://doi.org/10.2147/JPR.S158847

Chicago Style (17th ed.) Citation

Alghadir, Ahmad, Shahnawaz Anwer, Amir Iqbal, and Zaheen Iqbal. "Test-retest Reliability, Validity, and Minimum Detectable Change of Visual Analog, Numerical Rating, and Verbal Rating Scales for Measurement of Osteoarthritic Knee Pain." Journal of Pain Research 11 (2018): 851-856. https://doi.org/10.2147/JPR.S158847.

MLA (9th ed.) Citation

Alghadir, Ahmad, et al. "Test-retest Reliability, Validity, and Minimum Detectable Change of Visual Analog, Numerical Rating, and Verbal Rating Scales for Measurement of Osteoarthritic Knee Pain." Journal of Pain Research, vol. 11, 2018, pp. 851-856, https://doi.org/10.2147/JPR.S158847.