APA (7th ed.) Citation

JS, C., MP, B., & S, D. (2006). Letters. Stories at evidence -- or maybe not? British Journal of Midwifery, 14(12), 738.

Chicago Style (17th ed.) Citation

JS, Cohain, Botella MP, and Downe S. "Letters. Stories at Evidence -- or Maybe Not?" British Journal of Midwifery 14, no. 12 (2006): 738.

MLA (9th ed.) Citation

JS, Cohain, et al. "Letters. Stories at Evidence -- or Maybe Not?" British Journal of Midwifery, vol. 14, no. 12, 2006, p. 738.