Meier, B. (1998). Memos show tobacco firms were obsessed with nicotine. Today.
Citazione stile Chigago Style (17a edizione)Meier, Barry. "Memos Show Tobacco Firms Were Obsessed with Nicotine." Today 1998.
Citatione MLA (9a ed.)Meier, Barry. "Memos Show Tobacco Firms Were Obsessed with Nicotine." Today, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.