MLA

Ehrhardt, Carsten; Kim, Kwang-Jin, Carsten Ehrhardt, and Kwang-jin Kim. Drug Absorption Studies. Springer US, 2008.

APA

Ehrhardt, K., Ehrhardt, C., & Kim, K. (2008). Drug Absorption Studies. Springer US.

Chicago

Ehrhardt, Carsten; Kim, Kwang-Jin, Carsten Ehrhardt, and Kwang-jin Kim. Drug Absorption Studies. : Springer US, 2008.