APA引文

Morrall, J. B. (1960). Political thought in medieval times ([2d ed.].). Hutchinson University Library.

芝加哥风格引文

Morrall, John B. Political Thought in Medieval Times. [2d ed.]. London: Hutchinson University Library, 1960.

MLA引文

Morrall, John B. Political Thought in Medieval Times. [2d ed.]. Hutchinson University Library, 1960.