APA

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

Chicago

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

Harvard

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

MLA

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