APA引文

Tierney, B. (1983). The middle ages (3rd ed.). New York, N.Y.: Alfred A. Knopf.

Trích dẫn kiểu Chicago

Tierney, Brian. The Middle Ages. 3rd ed. New York, N.Y.: Alfred A. Knopf, 1983.

MLA引文

Tierney, Brian. The Middle Ages. 3rd ed. New York, N.Y.: Alfred A. Knopf, 1983.

警告：这些引文格式不一定是100％准确.