APA (7th ed.) Citation

EH, D., AS, R., & SL, A. (2009). Initial investigation of amenorrhoea. BMJ: British Medical Journal (Overseas & Retired Doctors Edition), 339(7718), 455.

Chicago Style (17th ed.) Citation

EH, Dickerson, Raghunath AS, and Atkin SL. "Initial Investigation of Amenorrhoea." BMJ: British Medical Journal (Overseas & Retired Doctors Edition) 339, no. 7718 (2009): 455.

MLA (9th ed.) Citation

EH, Dickerson, et al. "Initial Investigation of Amenorrhoea." BMJ: British Medical Journal (Overseas & Retired Doctors Edition), vol. 339, no. 7718, 2009, p. 455.