APA citiranje

Doubeni, C. A., Laiyemo, A. O., Reed, G., Field, T. S., & Fletcher, R. H. (2009). Socioeconomic and Racial Patterns of Colorectal Cancer Screening among Medicare Enrollees in 2000 to 2005.

Citação norma Chicago

Doubeni, Chyke A., Adeyinka O. Laiyemo, George Reed, Terry S. Field, and Robert H. Fletcher. Socioeconomic and Racial Patterns of Colorectal Cancer Screening Among Medicare Enrollees in 2000 to 2005. 2009.

MLA citiranje

Doubeni, Chyke A., et al. Socioeconomic and Racial Patterns of Colorectal Cancer Screening Among Medicare Enrollees in 2000 to 2005. 2009.