APA引文

Mackay, A., Ramsay, L. E., Eppel, M. L., & Oliver, J. S. (1979). Haematemesis during oral aminophylline treatment. BMJ Group.

Citação norma Chicago

Mackay, A., L. E. Ramsay, M. L. Eppel, and J. S. Oliver. Haematemesis During Oral Aminophylline Treatment. BMJ Group, 1979.

MLA引文

Mackay, A., L. E. Ramsay, M. L. Eppel, and J. S. Oliver. Haematemesis During Oral Aminophylline Treatment. BMJ Group, 1979.

警告：這些引文格式不一定是100％准確.