Parkin, G. R. (1892). Imperial Federation: The problem of national unity. Macmillan.
芝加哥风格引文Parkin, George R. Imperial Federation: The Problem of National Unity. London: Macmillan, 1892.
MLA引文Parkin, George R. Imperial Federation: The Problem of National Unity. Macmillan, 1892.
警告：这些引文格式不一定是100％准确.