APA

Pan American World Airways i., . (1972). New horizons world guide: Pan Am's travel facts about 138 countries. [New York: Trade distribution by Simon and Schuster.

Chicago

Pan American World Airways inc, . 1972. New horizons world guide: Pan Am's travel facts about 138 countries. [New York: Trade distribution by Simon and Schuster.

Harvard

Pan American World Airways i., . (1972). New horizons world guide: Pan Am's travel facts about 138 countries. [New York: Trade distribution by Simon and Schuster.

MLA

Pan American World Airways inc, . New horizons world guide: Pan Am's travel facts about 138 countries. [New York: Trade distribution by Simon and Schuster. 1972.