APA (7th ed.) Citation

Heckel, M. Archivmaterialien zu Martin Heckel, 1929-.

Chicago Style (17th ed.) Citation

Heckel, Martin. Archivmaterialien Zu Martin Heckel, 1929-.

MLA (9th ed.) Citation

Heckel, Martin. Archivmaterialien Zu Martin Heckel, 1929-.

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