APA (7th ed.) Citation

(1978). NGG-Kongress '78 Mannheim . Medienspiegel.

Chicago Style (17th ed.) Citation

NGG-Kongress '78 Mannheim . Medienspiegel. 1978.

MLA (8th ed.) Citation

NGG-Kongress '78 Mannheim . Medienspiegel. 1978.

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