APA引文

(1992). American almanac: December. U.S. Bureau of the Census.

芝加哥风格引文

American Almanac: December. USA: U.S. Bureau of the Census, 1992.

MLA引文

American Almanac: December. U.S. Bureau of the Census, 1992.

警告：这些引文格式不一定是100％准确.