MLA

Ramawat, Kishan Gopal; Mérillon, Jean-Michel, and Jean-Michel Mérillon. Natural Products. Springer Berlin Heidelberg, 2013.

APA

Ramawat, J., & Mérillon, J. (2013). Natural Products. Springer Berlin Heidelberg.

Chicago

Ramawat, Kishan Gopal; Mérillon, Jean-Michel, and Jean-Michel Mérillon. Natural Products. : Springer Berlin Heidelberg, 2013.