Ankylosing Spondylitis

MLA

Sieper, Joachim, and Jurgen Braun. Ankylosing Spondylitis. Springer London, 2011.

APA

Sieper, J., & Braun, J. (2011). Ankylosing Spondylitis. Springer London.

Chicago

Sieper, Joachim, and Jurgen Braun. Ankylosing Spondylitis. : Springer London, 2011.