APA (7th ed.) Citation

Noonie, A., Macdonald, N., Evans, B., Heptonstall, J., Channon, K., Cripps, T., . . . Edward, D. (1992). LETTERS. BMJ: British Medical Journal (International Edition), 305(6866), 1431.

Chicago Style (17th ed.) Citation

Noonie, Ahilya, et al. "LETTERS." BMJ: British Medical Journal (International Edition) 305, no. 6866 (1992): 1431.

MLA (9th ed.) Citation

Noonie, Ahilya, et al. "LETTERS." BMJ: British Medical Journal (International Edition), vol. 305, no. 6866, 1992, p. 1431.