APA (7th ed.) Citation

AP, C. (2009). Ottawa rules, OK? Rules are different in diabetes. BMJ: British Medical Journal (Overseas & Retired Doctors Edition), 339(7720), 529.

Chicago Style (17th ed.) Citation

AP, Coll. "Ottawa Rules, OK? Rules Are Different in Diabetes." BMJ: British Medical Journal (Overseas & Retired Doctors Edition) 339, no. 7720 (2009): 529.

MLA (9th ed.) Citation

AP, Coll. "Ottawa Rules, OK? Rules Are Different in Diabetes." BMJ: British Medical Journal (Overseas & Retired Doctors Edition), vol. 339, no. 7720, 2009, p. 529.