Cita APA (7a ed.)
Wallechinsky, D., & Wallace, I. The People's Almanac. Doubleday.
Cita estilo Chicago (17a ed.)
Wallechinsky, David, y Irving Wallace. The People's Almanac. Garden City, EUA: Doubleday.
Cita MLA (9a ed.)
Wallechinsky, David, y Irving Wallace. The People's Almanac. Doubleday.
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