APA引文

BOWEN, E., RAYNER, C., & PEARSON, M. (1999). COPD guidelines. BMJ Group.

Citação norma Chicago

BOWEN, E., C. RAYNER, and M. PEARSON. COPD Guidelines. BMJ Group, 1999.

MLA引文

BOWEN, E., C. RAYNER, and M. PEARSON. COPD Guidelines. BMJ Group, 1999.

警告：這些引文格式不一定是100％准確.