APA (7th ed.) Citation

Ballstaedt, S. (1977). Probleme audiovisueller Informationsvermittlung.

Chicago Style (17th ed.) Citation

Ballstaedt, Steffen-Peter. Probleme Audiovisueller Informationsvermittlung. 1977.

MLA (9th ed.) Citation

Ballstaedt, Steffen-Peter. Probleme Audiovisueller Informationsvermittlung. 1977.

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