MLA

Brehm, Ralph, et al. Regulation of Sertoli Cell and Germ Cell Differentation. Springer Berlin Heidelberg, 2005.

APA

Brehm, R.Brehm, R., Steger, K., & Steger, K. (2005). Regulation of Sertoli Cell and Germ Cell Differentation. Springer Berlin Heidelberg.

Chicago

Brehm, Ralph, R Brehm, Klaus Steger, and K Steger. Regulation of Sertoli Cell and Germ Cell Differentation. : Springer Berlin Heidelberg, 2005.