APA引文

-. (1970). Manual VI: Methods of measuring internal migration. United Nations.

芝加哥风格引文

-. Manual VI: Methods of Measuring Internal Migration. New York: United Nations, 1970.

MLA引文

-. Manual VI: Methods of Measuring Internal Migration. United Nations, 1970.

警告：这些引文格式不一定是100％准确.