APA引文

(1990). World Almanac: And book of facts. World Almanac.

Chicago Style (17th ed.) Citation

World Almanac: And Book of Facts. New york: World Almanac, 1990.

MLA引文

World Almanac: And Book of Facts. World Almanac, 1990.

警告：這些引文格式不一定是100％准確.