Linhean, P. (2022). España pontifica: Papal letters to Spain 1198-1303. The Catholic University of America Press.
芝加哥风格引文Linhean, Peter. España Pontifica: Papal Letters to Spain 1198-1303. Washington, D.C: The Catholic University of America Press, 2022.
MLA引文Linhean, Peter. España Pontifica: Papal Letters to Spain 1198-1303. The Catholic University of America Press, 2022.
警告：这些引文格式不一定是100％准确.
