APA引文

Kirkman, N. F. (1955). Review of 170 Cases of Perforated Peptic Ulcer, 1950-1953.

Citação norma Chicago

Kirkman, N. F. Review of 170 Cases of Perforated Peptic Ulcer, 1950-1953. 1955.

MLA引文

Kirkman, N. F. Review of 170 Cases of Perforated Peptic Ulcer, 1950-1953. 1955.

警告：這些引文格式不一定是100％准確.