APA (7th ed.) Citation

Gallup, G. H. The Gallup international public opinion polls. Random House.

Chicago Style (17th ed.) Citation

Gallup, George Horace. The Gallup International Public Opinion Polls. New York, NY: Random House.

MLA (9th ed.) Citation

Gallup, George Horace. The Gallup International Public Opinion Polls. Random House.

Warning: These citations may not always be 100% accurate.