APA (7th ed.) Citation

Farrag, A., & Elsayed, W. (2015). Hip and knee sagittal angles and muscle activation in stair locomotion: Impact of age and gender. Gait & Posture, 42, S66. https://doi.org/10.1016/j.gaitpost.2015.06.124

Chicago Style (17th ed.) Citation

Farrag, A., and W. Elsayed. "Hip and Knee Sagittal Angles and Muscle Activation in Stair Locomotion: Impact of Age and Gender." Gait & Posture 42 (2015): S66. https://doi.org/10.1016/j.gaitpost.2015.06.124.

MLA (9th ed.) Citation

Farrag, A., and W. Elsayed. "Hip and Knee Sagittal Angles and Muscle Activation in Stair Locomotion: Impact of Age and Gender." Gait & Posture, vol. 42, 2015, p. S66, https://doi.org/10.1016/j.gaitpost.2015.06.124.