APA引文

Hovell, T. M. (1917). Retainers for Tracheotomy Tubes.

Citação norma Chicago

Hovell, T. Mark. Retainers for Tracheotomy Tubes. 1917.

MLA引文

Hovell, T. Mark. Retainers for Tracheotomy Tubes. 1917.

警告：這些引文格式不一定是100％准確.