MLA

Wagner, Hermann-Josef, and Jyotirmay Mathur. Introduction to Wind Energy Systems. Springer Berlin Heidelberg, 2009.

APA

Wagner, H., & Mathur, J. (2009). Introduction to Wind Energy Systems. Springer Berlin Heidelberg.

Chicago

Wagner, Hermann-Josef, and Jyotirmay Mathur. Introduction to Wind Energy Systems. : Springer Berlin Heidelberg, 2009.