APA (7th ed.) Citation

Helfer, M. Archivmaterialien zu Monika Helfer, 1947-.

Chicago Style (17th ed.) Citation

Helfer, Monika. Archivmaterialien Zu Monika Helfer, 1947-.

MLA (9th ed.) Citation

Helfer, Monika. Archivmaterialien Zu Monika Helfer, 1947-.

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