APA引文

Ullmann, W. (1988). Law and Jurisdiction in the Middle Ages. [publisher not identified].

Chicago Style (17th ed.) Citation

Ullmann, Walter. Law and Jurisdiction in the Middle Ages. London: [publisher not identified], 1988.

MLA引文

Ullmann, Walter. Law and Jurisdiction in the Middle Ages. [publisher not identified], 1988.

警告：這些引文格式不一定是100％准確.