Citação norma APA

Andia, M. E., Hsing, A. W., Andreotti, G., & Ferreccio, C. (2008). Geographic variation of gallbladder cancer mortality and risk factors in Chile: A population-based ecologic study.

Citação norma Chicago

Andia, Marcelo E., Ann W. Hsing, Gabriella Andreotti, and Catterina Ferreccio. Geographic Variation of Gallbladder Cancer Mortality and Risk Factors in Chile: A Population-based Ecologic Study. 2008.

Citação norma MLA

Andia, Marcelo E., Ann W. Hsing, Gabriella Andreotti, and Catterina Ferreccio. Geographic Variation of Gallbladder Cancer Mortality and Risk Factors in Chile: A Population-based Ecologic Study. 2008.

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