APA (7th ed.) Citation

Gallup, G. H. (1944). A guide to public opinion polls. Univ. Press.

Chicago Style (17th ed.) Citation

Gallup, George Horace. A Guide to Public Opinion Polls. Princeton, NJ: Univ. Press, 1944.

MLA (9th ed.) Citation

Gallup, George Horace. A Guide to Public Opinion Polls. Univ. Press, 1944.

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