APA引文

Spence, R. A., & Rutherford, W. H. (1980). Minor head injuries--an admission policy. Ulster Medical Society.

Citação norma Chicago

Spence, R. A., and W. H. Rutherford. Minor Head Injuries--an Admission Policy. Ulster Medical Society, 1980.

MLA引文

Spence, R. A., and W. H. Rutherford. Minor Head Injuries--an Admission Policy. Ulster Medical Society, 1980.

警告：這些引文格式不一定是100％准確.