Citação norma APA

Marques-Vidal, P., Melich-Cerveira, J., Paccaud, F., Waeber, G., Vollenweider, P., & Cornuz, J. (2011). Prevalence and factors associated with difficulty and intention to quit smoking in Switzerland. BioMed Central.

Citação norma Chicago

Marques-Vidal, Pedro, João Melich-Cerveira, Fred Paccaud, Gérard Waeber, Peter Vollenweider, e Jacques Cornuz. Prevalence and Factors Associated With Difficulty and Intention to Quit Smoking in Switzerland. BioMed Central, 2011.

Citação norma MLA

Marques-Vidal, Pedro, et al. Prevalence and Factors Associated With Difficulty and Intention to Quit Smoking in Switzerland. BioMed Central, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.