APA Citation

Richt, J. A., & Webby, R. J. (2013). Swine influenza. Heidelberg: Springer.

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.