APA引文

Collier, H. E. (1943). X-ray Apparatus at Health Centres.

Citação norma Chicago

Collier, Howard E. X-ray Apparatus At Health Centres. 1943.

MLA引文

Collier, Howard E. X-ray Apparatus At Health Centres. 1943.

警告：這些引文格式不一定是100％准確.