APA引文

Metcalf, R. W. Symposium on arthroscopic knee surgery.

芝加哥风格引文

Metcalf, Robert W. Symposium on Arthroscopic Knee Surgery.

MLA引文

Metcalf, Robert W. Symposium on Arthroscopic Knee Surgery.

警告：这些引文格式不一定是100％准确.