APA (7th ed.) Citation

LP, F., R, G., & R, H. (1999). Patients who are eligible but not randomised should be included as additional comparative arm in study. BMJ (Clinical research ed.), 318(7187), 874. https://doi.org/10.1136/bmj.318.7187.874a

Chicago Style (17th ed.) Citation

LP, Fielding, Grace R, and Hittinger R. "Patients Who Are Eligible but Not Randomised Should Be Included as Additional Comparative Arm in Study." BMJ (Clinical Research Ed.) 318, no. 7187 (1999): 874. https://doi.org/10.1136/bmj.318.7187.874a.

MLA (9th ed.) Citation

LP, Fielding, et al. "Patients Who Are Eligible but Not Randomised Should Be Included as Additional Comparative Arm in Study." BMJ (Clinical Research Ed.), vol. 318, no. 7187, 1999, p. 874, https://doi.org/10.1136/bmj.318.7187.874a.