Cita APA (7th ed.)

WHITTED, G. W. (1965). New horizons: World guide. Pan American world Airways.

Cita Chicago (17th ed.)

WHITTED, Gerald W. New Horizons: World Guide. New York: Pan American world Airways, 1965.

Cita MLA (9th ed.)

WHITTED, Gerald W. New Horizons: World Guide. Pan American world Airways, 1965.