APA (7th ed.) Citation

Gallup, G., & Proctor, W. (1984). Forecast 2000: George Gallup, Jr. predicts the future of America. W. Morrow.

Chicago Style (17th ed.) Citation

Gallup, George, and William Proctor. Forecast 2000: George Gallup, Jr. Predicts the Future of America. New York: W. Morrow, 1984.

MLA (9th ed.) Citation

Gallup, George, and William Proctor. Forecast 2000: George Gallup, Jr. Predicts the Future of America. W. Morrow, 1984.