APA (7th ed.) Citation

Gallup, A., & Newport, F. (2008). The Gallup poll cumulative index: Public opinion, 1998-2007. Rowman & Littlefield.

Chicago Style (17th ed.) Citation

Gallup, Alec, and Frank Newport. The Gallup Poll Cumulative Index: Public Opinion, 1998-2007. Lanham, Md.: Rowman & Littlefield, 2008.

MLA (8th ed.) Citation

Gallup, Alec, and Frank Newport. The Gallup Poll Cumulative Index: Public Opinion, 1998-2007. Rowman & Littlefield, 2008.

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