Kramer, R. (2019). Rethinking Authority in the Carolingian Empire: Ideals and Expectations during the Reign of Louis the Pious (813-828). Amsterdam University Press.
芝加哥风格引文Kramer, Rutger. Rethinking Authority in the Carolingian Empire: Ideals and Expectations During the Reign of Louis the Pious (813-828). Amsterdam: Amsterdam University Press, 2019.
MLA引文Kramer, Rutger. Rethinking Authority in the Carolingian Empire: Ideals and Expectations During the Reign of Louis the Pious (813-828). Amsterdam University Press, 2019.
警告：这些引文格式不一定是100％准确.