APA citiranje

Bell, R., & Petticrew, M. (1997). Screening people with a family history of cancer. Benefit of screening for ovarian cancer is unproved.

Citação norma Chicago

Bell, R., and M. Petticrew. Screening People With a Family History of Cancer. Benefit of Screening for Ovarian Cancer Is Unproved. 1997.

MLA citiranje

Bell, R., and M. Petticrew. Screening People With a Family History of Cancer. Benefit of Screening for Ovarian Cancer Is Unproved. 1997.