APA
Newcomb P. A., Trentham-Dietz A. & Storer B. E. (19970508). Parental age in relation to risk of breast cancer. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
Chicago
Newcomb P A, Trentham-Dietz A and Storer B E. 19970508. Parental age in relation to risk of breast cancer. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
Harvard
Newcomb P. A., Trentham-Dietz A. and Storer B. E. (19970508). Parental age in relation to risk of breast cancer. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
MLA
Newcomb P A, Trentham-Dietz A and Storer B E. Parental age in relation to risk of breast cancer. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 19970508.