APA (7th ed.) Citation

Obama, B. Archivmaterialien zu Barack Obama, 1961-.

Chicago Style (17th ed.) Citation

Obama, Barack. Archivmaterialien Zu Barack Obama, 1961-.

MLA (9th ed.) Citation

Obama, Barack. Archivmaterialien Zu Barack Obama, 1961-.

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