APA引文

Guevara, G. B. (1973). Across four generations. United Pub.

芝加哥风格引文

Guevara, Guillermo B. Across Four Generations. [Manila: United Pub, 1973.

MLA引文

Guevara, Guillermo B. Across Four Generations. United Pub, 1973.

警告：这些引文格式不一定是100％准确.