Cita APA (7a ed.)

(1957). The world almanac and book of facts for 1957. World-Telegram.

Cita Chicago Style (17a ed.)

The World Almanac and Book of Facts for 1957. New York: World-Telegram, 1957.

Cita MLA (9a ed.)

The World Almanac and Book of Facts for 1957. World-Telegram, 1957.