APA (7th ed.) Citation

BJ, S., PL, S., S, S., JW, D., KP, S., Singer, B. J., . . . Singer, K. P. (2011). Treatment of refractory anterior knee pain using botulinum toxin type A (Dysport) injection to the distal vastus lateralis muscle: A randomised placebo controlled crossover trial. British Journal of Sports Medicine, 45(8), 640. https://doi.org/10.1136/bjsm.2009.069781

Chicago Style (17th ed.) Citation

BJ, Singer, et al. "Treatment of Refractory Anterior Knee Pain Using Botulinum Toxin Type A (Dysport) Injection to the Distal Vastus Lateralis Muscle: A Randomised Placebo Controlled Crossover Trial." British Journal of Sports Medicine 45, no. 8 (2011): 640. https://doi.org/10.1136/bjsm.2009.069781.

MLA (9th ed.) Citation

BJ, Singer, et al. "Treatment of Refractory Anterior Knee Pain Using Botulinum Toxin Type A (Dysport) Injection to the Distal Vastus Lateralis Muscle: A Randomised Placebo Controlled Crossover Trial." British Journal of Sports Medicine, vol. 45, no. 8, 2011, p. 640, https://doi.org/10.1136/bjsm.2009.069781.