MLA

Ebringer, Alan. Ankylosing Spondylitis and Klebsiella. Springer London, 2013.

APA

Ebringer, A. (2013). Ankylosing spondylitis and Klebsiella. Springer London.

Chicago

Ebringer, Alan Ankylosing Spondylitis and Klebsiella. : Springer London, 2013.