APA引文

Walker, E. D. (1848). Case of Spasm of the Laryngeal Muscles.

Citação norma Chicago

Walker, Edward Dering. Case of Spasm of the Laryngeal Muscles. 1848.

MLA引文

Walker, Edward Dering. Case of Spasm of the Laryngeal Muscles. 1848.

警告：這些引文格式不一定是100％准確.