Gaya APA

institut, U, D, O, H, A, H, S, N, I, O, H, N, C. (2012). Tobbaco Control (21). [s.i.]: bmj journals.

Gaya MLA

institut, U.s, Department, Of, Health, And, Human, Services,, National, Institutes, Of, Health,, National, Cancer. "Tobbaco Control". 21 [s.i.]: bmj journals, 2012. Text.