APA引文

Sharp, J. (1957). Differential Diagnosis of Ankylosing Spondylitis.

Citação norma Chicago

Sharp, James. Differential Diagnosis of Ankylosing Spondylitis. 1957.

MLA引文

Sharp, James. Differential Diagnosis of Ankylosing Spondylitis. 1957.

警告：這些引文格式不一定是100％准確.