MLA

Croxatto, H. B, et al. New Mechanisms for Tissue-selective Estrogen-free Contraception. Springer Berlin Heidelberg, 2005.

APA

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

Chicago

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