APA引文

Gregory I, P. (1472). [Liber epistolarum]. Gunther Zainer.

Chicago Style (17th ed.) Citation

Gregory I, Pope. [Liber Epistolarum]. [Augsburg: Gunther Zainer, 1472.

MLA引文

Gregory I, Pope. [Liber Epistolarum]. Gunther Zainer, 1472.

警告：这些引文格式不一定是100％准确.