Mill, H. R. (1911). An elementary class-book of general geography. Macmillan.
芝加哥风格引文Mill, Hugh Robert. An Elementary Class-book of General Geography. London ; Melbourne: Macmillan, 1911.
MLA引文Mill, Hugh Robert. An Elementary Class-book of General Geography. Macmillan, 1911.
警告：这些引文格式不一定是100％准确.