APA引文

Katharina, v. S. (1988). The letters of St. Catherine of Siena. The letters of St. Catherine of Siena.

Chicago Style (17th ed.) Citation

Katharina, von Siena. "The Letters of St. Catherine of Siena." The Letters of St. Catherine of Siena 1988.

MLA引文

Katharina, von Siena. "The Letters of St. Catherine of Siena." The Letters of St. Catherine of Siena, 1988.

警告：這些引文格式不一定是100％准確.