APA ציטוט

Helgadottir, S., Sigurdsson, M. I., Ingvarsdottir, I. L., Arnar, D. O., & Gudbjartsson, T. (2012). Atrial fibrillation following cardiac surgery: Risk analysis and long-term survival. BioMed Central.

Citação norma Chicago

Helgadottir, Solveig, Martin I. Sigurdsson, Inga L. Ingvarsdottir, David O. Arnar, and Tomas Gudbjartsson. Atrial Fibrillation Following Cardiac Surgery: Risk Analysis and Long-term Survival. BioMed Central, 2012.

ציטוט MLA

Helgadottir, Solveig, et al. Atrial Fibrillation Following Cardiac Surgery: Risk Analysis and Long-term Survival. BioMed Central, 2012.