Pan American World Airways, Inc. (1960). New horizons world guide: Pan Am's travel facts about 138 countries (Ninth revised edition.). Pan American World Airways.
Chicago Style (17th ed.) CitationPan American World Airways, Inc. New Horizons World Guide: Pan Am's Travel Facts About 138 Countries. Ninth revised edition. Pan American World Airways, 1960.
MLA (9th ed.) CitationPan American World Airways, Inc. New Horizons World Guide: Pan Am's Travel Facts About 138 Countries. Ninth revised edition. Pan American World Airways, 1960.
Warning: These citations may not always be 100% accurate.