APA (7th ed.) Citation

Beral, V. (1997). Breast cancer and hormone replacement therapy: Collaborative reanalysis of data from 51 epidemiological studies of 52,705 women with breast cancer and 108,411 women without breast cancer. Collaborative Group on Hormonal Factors in Breast Cancer.

Chicago Style (17th ed.) Citation

Beral, V. Breast Cancer and Hormone Replacement Therapy: Collaborative Reanalysis of Data from 51 Epidemiological Studies of 52,705 Women with Breast Cancer and 108,411 Women Without Breast Cancer. Collaborative Group on Hormonal Factors in Breast Cancer. 1997.

MLA (9th ed.) Citation

Beral, V. Breast Cancer and Hormone Replacement Therapy: Collaborative Reanalysis of Data from 51 Epidemiological Studies of 52,705 Women with Breast Cancer and 108,411 Women Without Breast Cancer. Collaborative Group on Hormonal Factors in Breast Cancer. 1997.