Citação norma APA

Widgren, V., Dencker, M., Juhlin, T., Platonov, P., & Willenheimer, R. (2012). Aortic stenosis and mitral regurgitation as predictors of atrial fibrillation during 11 years of follow-up. BioMed Central.

Citação norma Chicago

Widgren, Veronica, Magnus Dencker, Tord Juhlin, Pyotr Platonov, and Ronnie Willenheimer. Aortic Stenosis and Mitral Regurgitation As Predictors of Atrial Fibrillation During 11 Years of Follow-up. BioMed Central, 2012.

Citação norma MLA

Widgren, Veronica, et al. Aortic Stenosis and Mitral Regurgitation As Predictors of Atrial Fibrillation During 11 Years of Follow-up. BioMed Central, 2012.

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