Cita APA

Winawer, S. J., & Zauber, A. G. (2000). Colorectal cancer screening: Now is the time.

Chicago Style Citation

Winawer, Sidney J., i Ann G. Zauber. Colorectal Cancer Screening: Now Is the Time. 2000.

Cita MLA

Winawer, Sidney J., i Ann G. Zauber. Colorectal Cancer Screening: Now Is the Time. 2000.