APA (7th ed.) Citation

Diffey, B. L., & Farr, P. M. (2007). The challenge of follow-up in narrowband ultraviolet B phototherapy. British Journal of Dermatology, 157(2), 344. https://doi.org/10.1111/j.1365-2133.2007.07980.x

Chicago Style (17th ed.) Citation

Diffey, B. L., and P. M. Farr. "The Challenge of Follow-up in Narrowband Ultraviolet B Phototherapy." British Journal of Dermatology 157, no. 2 (2007): 344. https://doi.org/10.1111/j.1365-2133.2007.07980.x.

MLA (9th ed.) Citation

Diffey, B. L., and P. M. Farr. "The Challenge of Follow-up in Narrowband Ultraviolet B Phototherapy." British Journal of Dermatology, vol. 157, no. 2, 2007, p. 344, https://doi.org/10.1111/j.1365-2133.2007.07980.x.