APA (7th ed.) Citation

Pouw, M., Middendorp, J. v., & Putz, C. (2010). Letters. Spine, 35(25), . https://doi.org/10.1097/BRS.0b013e3181eb9260

Chicago Style (17th ed.) Citation

Pouw, Martin, Joost van Middendorp, and Cornelia Putz. "Letters." Spine 35, no. 25 (2010). https://doi.org/10.1097/BRS.0b013e3181eb9260.

MLA (9th ed.) Citation

Pouw, Martin, et al. "Letters." Spine, vol. 35, no. 25, 2010, https://doi.org/10.1097/BRS.0b013e3181eb9260.