APA (7th ed.) Citation

Haberl, H. G. (1973). trigon '73: Audiovisuelle Botschaften. Styria.

Chicago Style (17th ed.) Citation

Haberl, Horst Gerhard. Trigon '73: Audiovisuelle Botschaften. Graz: Styria, 1973.

MLA (8th ed.) Citation

Haberl, Horst Gerhard. Trigon '73: Audiovisuelle Botschaften. Styria, 1973.

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