Citação APA (7ª ed.)

Ravara, S. B., Calheiros, J. M., Aguiar, P., & Barata, L. T. (2011). Smoking behaviour predicts tobacco control attitudes in a high smoking prevalence hospital: A cross-sectional study in a Portuguese teaching hospital prior to the national smoking ban.

Citação do estilo Chicago (17ª ed.)

Ravara, Sofia B., José M. Calheiros, Pedro Aguiar, e Luis Taborda Barata. Smoking Behaviour Predicts Tobacco Control Attitudes in a High Smoking Prevalence Hospital: A Cross-sectional Study in a Portuguese Teaching Hospital Prior to the National Smoking Ban. 2011.

Citação MLA (8ª ed.)

Ravara, Sofia B., et al. Smoking Behaviour Predicts Tobacco Control Attitudes in a High Smoking Prevalence Hospital: A Cross-sectional Study in a Portuguese Teaching Hospital Prior to the National Smoking Ban. 2011.

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