Cite
Introduction.
MLA
Dreher, Thomas. “Introduction.” Gait & Posture, vol. 42, no. 3, Sept. 2015, p. 223. EBSCOhost, https://doi.org/10.1016/j.gaitpost.2015.08.005.
APA
Dreher, T. (2015). Introduction. Gait & Posture, 42(3), 223. https://doi.org/10.1016/j.gaitpost.2015.08.005
Chicago
Dreher, Thomas. 2015. “Introduction.” Gait & Posture 42 (3): 223. doi:10.1016/j.gaitpost.2015.08.005.