APA (7th ed.) Citation

Gallup, G. H. (2019). Archivmaterialien zu George Horace Gallup, 1901-1984.

Chicago Style (17th ed.) Citation

Gallup, George Horace. Archivmaterialien Zu George Horace Gallup, 1901-1984. 2019.

MLA (8th ed.) Citation

Gallup, George Horace. Archivmaterialien Zu George Horace Gallup, 1901-1984. 2019.

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