Swine Influenza

MLA

Richt, Juergen, Jürgen A Richt, and Richard J Webby. Swine Influenza. Springer Berlin Heidelberg, 2013.

APA

Richt, J., Richt, J. A, & Webby, R. J. (2013). Swine Influenza. Springer Berlin Heidelberg.

Chicago

Richt, Juergen, Jürgen A Richt, and Richard J Webby. Swine Influenza. : Springer Berlin Heidelberg, 2013.