In response.

MLA

Freeman, Brian J. C., et al. “In Response.” Spine, vol. 39, no. 15, July 2014, p. 1263. EBSCOhost, https://doi.org/10.1097/BRS.0000000000000427.

APA

Freeman, B. J. C., Ludbrook, G. L., Hall, S., Cousins, M., Mitchell, B., Jaros, M., Wyand, M., Wyand, M., & Gorman, J. R. (2014). In response. Spine, 39(15), 1263. https://doi.org/10.1097/BRS.0000000000000427

Chicago

Freeman, Brian J C, Guy L Ludbrook, Stephen Hall, Michael Cousins, Bruce Mitchell, Mark Jaros, Michael Wyand, Michael Wyand, and James R Gorman. 2014. “In Response.” Spine 39 (15): 1263. doi:10.1097/BRS.0000000000000427.