APA (7th ed.) Citation

PT, K., JS, G., & AG, A. (1999). An unlucky break. The British journal of radiology, 72(854), 219. https://doi.org/10.1259/bjr.72.854.10365079

Chicago Style (17th ed.) Citation

PT, Kennedy, Gillespie JS, and Acheson AG. "An Unlucky Break." The British Journal of Radiology 72, no. 854 (1999): 219. https://doi.org/10.1259/bjr.72.854.10365079.

MLA (9th ed.) Citation

PT, Kennedy, et al. "An Unlucky Break." The British Journal of Radiology, vol. 72, no. 854, 1999, p. 219, https://doi.org/10.1259/bjr.72.854.10365079.