APA-referens

Maynard, O. M., Leonards, U., Attwood, A. S., Bauld, L., Hogarth, L., & Munafò, M. R. (2014). Plain packaging of cigarettes and smoking behavior: Study protocol for a randomized controlled study. Trials.

Chicago-stil citat

Maynard, Olivia M., Ute Leonards, Angela S. Attwood, Linda Bauld, Lee Hogarth, och Marcus R. Munafò. "Plain Packaging of Cigarettes and Smoking Behavior: Study Protocol for a Randomized Controlled Study." Trials 2014.

MLA-referens

Maynard, Olivia M., et al. "Plain Packaging of Cigarettes and Smoking Behavior: Study Protocol for a Randomized Controlled Study." Trials 2014.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.