Citação norma APA

Keegan, T. H., Chang, E. T., John, E. M., Horn-Ross, P. L., Wrensch, M. R., Glaser, S. L., & Clarke, C. A. (2007). Recent changes in breast cancer incidence and risk factor prevalence in San Francisco Bay area and California women: 1988 to 2004. BioMed Central.

Citação norma Chicago

Keegan, Theresa HM, Ellen T. Chang, Esther M. John, Pamela L. Horn-Ross, Margaret R. Wrensch, Sally L. Glaser, and Christina A. Clarke. Recent Changes in Breast Cancer Incidence and Risk Factor Prevalence in San Francisco Bay Area and California Women: 1988 to 2004. BioMed Central, 2007.

Citação norma MLA

Keegan, Theresa HM, et al. Recent Changes in Breast Cancer Incidence and Risk Factor Prevalence in San Francisco Bay Area and California Women: 1988 to 2004. BioMed Central, 2007.

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