Cita APA (7th ed.)

World Almanac. (1996). The world almanac and book of facts. World Almanac.

Cita Chicago (17th ed.)

World Almanac. The World Almanac and Book of Facts. Mahwah, New Jersey: World Almanac, 1996.

Cita MLA (9th ed.)

World Almanac. The World Almanac and Book of Facts. World Almanac, 1996.