APA (7th ed.) Citation

SpringerLink (Online service), Croxatto, H. B., Schürmann, R., Fuhrmann, U., & Schellschmidt, I. (2005). New Mechanisms for Tissue-Selective Estrogen-Free Contraception. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), H. B. Croxatto, R. Schürmann, U. Fuhrmann, and I. Schellschmidt. New Mechanisms for Tissue-Selective Estrogen-Free Contraception. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. New Mechanisms for Tissue-Selective Estrogen-Free Contraception. Springer Berlin Heidelberg, 2005.