Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.