Cita APA (7a ed.)

(2011). Differential features between primary ankylosing spondylitis and spondylitis associated with psoriasis and inflammatory bowel disease.

Cita Chicago Style (17a ed.)

Differential Features Between Primary Ankylosing Spondylitis and Spondylitis Associated with Psoriasis and Inflammatory Bowel Disease. 2011.

Cita MLA (8a ed.)

Differential Features Between Primary Ankylosing Spondylitis and Spondylitis Associated with Psoriasis and Inflammatory Bowel Disease. 2011.