MLA

Koenig, and Edward Koenig. Cell Biology of the Axon. Springer Berlin Heidelberg, 2009.

APA

Koenig, K., & Koenig, E. (2009). Cell Biology of the Axon. Springer Berlin Heidelberg.

Chicago

Koenig, and Edward Koenig. Cell Biology of the Axon. : Springer Berlin Heidelberg, 2009.