Smith, D. J. (2023). The Letters of Popes Innocent III and Honorius III to the Iberian Peninsula. Innocenz III., Honorius III. und ihre Briefe, 201-210.
芝加哥风格引文Smith, Damian J. "The Letters of Popes Innocent III and Honorius III to the Iberian Peninsula." Innocenz III., Honorius III. Und Ihre Briefe 2023: 201-210.
MLA引文Smith, Damian J. "The Letters of Popes Innocent III and Honorius III to the Iberian Peninsula." Innocenz III., Honorius III. Und Ihre Briefe, 2023, pp. 201-210.
警告：这些引文格式不一定是100％准确.
