APA (7th ed.) Citation

(1990). Audio professional: Das Magazin für professionelle Audiotechnik. Kellerer & Partner.

Chicago Style (17th ed.) Citation

Audio Professional: Das Magazin Für Professionelle Audiotechnik. Ulm: Kellerer & Partner, 1990.

MLA (9th ed.) Citation

Audio Professional: Das Magazin Für Professionelle Audiotechnik. Kellerer & Partner, 1990.

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