Logan, G. B. (1928). Liberty in the modern world. The University of North Carolina Press.
芝加哥风格引文Logan, George Bryan. Liberty in the Modern World. Chapel Hill: The University of North Carolina Press, 1928.
MLA引文Logan, George Bryan. Liberty in the Modern World. The University of North Carolina Press, 1928.
警告：这些引文格式不一定是100％准确.