APA引文

Wald, N. J., & Bower, C. (1995). Folic acid and the prevention of neural tube defects. BMJ Group.

Citação norma Chicago

Wald, N. J., and C. Bower. Folic Acid and the Prevention of Neural Tube Defects. BMJ Group, 1995.

MLA引文

Wald, N. J., and C. Bower. Folic Acid and the Prevention of Neural Tube Defects. BMJ Group, 1995.

警告：這些引文格式不一定是100％准確.