Cita APA

Winawer, S. J. (1990). International collaboration for the prevention of colorectal cancer. World Health Organization.

Citación estilo Chicago

Winawer, S. J. International Collaboration for the Prevention of Colorectal Cancer. World Health Organization, 1990.

Cita MLA

Winawer, S. J. International Collaboration for the Prevention of Colorectal Cancer. World Health Organization, 1990.

Precaución: Estas citas no son 100% exactas.