APA (7th ed.) Citation

Clark, A., Rai, G., Wright, G., Parker, N., Mulley, G., Chary, T., . . . Andrews, J. (1986). CORRESPONDENCE. British Medical Journal (Clinical Research Edition), 293(6538), 47.

Chicago Style (17th ed.) Citation

Clark, Andrew, et al. "CORRESPONDENCE." British Medical Journal (Clinical Research Edition) 293, no. 6538 (1986): 47.

MLA (9th ed.) Citation

Clark, Andrew, et al. "CORRESPONDENCE." British Medical Journal (Clinical Research Edition), vol. 293, no. 6538, 1986, p. 47.