Cita APA (7a ed.)

Smith, K., Siebel C, Saba, A., Johnston, L. C., Flay B, Chaloupka F.J, . . . Wakefield M.A. (2008). Relation between newspaper coverage of tobacco issues and smoking attitudes and behaviour among American teens. Tobacco control, 17(1), 17-24.

Cita Chicago Style (17a ed.)

Smith, K.C, Siebel C, Andrea Saba, Louis C. Johnston, Flay B, Chaloupka F.J, Terry-McElrath Y, y Wakefield M.A. "Relation Between Newspaper Coverage of Tobacco Issues and Smoking Attitudes and Behaviour Among American Teens." Tobacco Control 17, no. 1 (2008): 17-24.

Cita MLA (9a ed.)

Smith, K.C, et al. "Relation Between Newspaper Coverage of Tobacco Issues and Smoking Attitudes and Behaviour Among American Teens." Tobacco Control, vol. 17, no. 1, 2008, pp. 17-24.