Cita APA (7a ed.)

Bruun, L., Savage, C., Cronin, A., Hugosson, J., Lilja, H., & Christensson, A. (2009). Increase in percent free prostate-specific antigen in men with chronic kidney disease.

Cita Chicago Style (17a ed.)

Bruun, L., C. Savage, A. Cronin, J. Hugosson, H. Lilja, y A. Christensson. Increase in Percent Free Prostate-specific Antigen in Men with Chronic Kidney Disease. 2009.

Cita MLA (9a ed.)

Bruun, L., et al. Increase in Percent Free Prostate-specific Antigen in Men with Chronic Kidney Disease. 2009.