APA (7th ed.) Citation

Lorenz, I., & Mechl, Z. Medroxyprogesterone acetate versus tamoxifen in the therapy of advanced breast cancer.

Chicago Style (17th ed.) Citation

Lorenz, I., and Zdeněk Mechl. Medroxyprogesterone Acetate Versus Tamoxifen in the Therapy of Advanced Breast Cancer.

MLA (9th ed.) Citation

Lorenz, I., and Zdeněk Mechl. Medroxyprogesterone Acetate Versus Tamoxifen in the Therapy of Advanced Breast Cancer.

Warning: These citations may not always be 100% accurate.