APA引文

Guirao, O. (1981). 52 towns without hospitals. Bulletin Today.

芝加哥风格引文

Guirao, O.R. "52 Towns Without Hospitals." Bulletin Today 1981.

MLA引文

Guirao, O.R. "52 Towns Without Hospitals." Bulletin Today, 1981.

警告：这些引文格式不一定是100％准确.