Cite Them Right 11th edition - Harvard

Worldwide Videotex (Firm) und Worldwide Videotex (Firm) (2009) Computer Protocols.

Chicago Manual of Style 17th edition (full note)

Worldwide Videotex (Firm), und Worldwide Videotex (Firm). Computer Protocols.

American Psychological Association 7th edition

Worldwide Videotex (Firm), & Worldwide Videotex (Firm). (2009). Computer Protocols.

Modern Language Association 9th edition

Worldwide Videotex (Firm), und Worldwide Videotex (Firm). Computer Protocols. 2009.

ISO-690 (author-date, Deutsch)

WORLDWIDE VIDEOTEX (FIRM) und WORLDWIDE VIDEOTEX (FIRM), 2009. Computer Protocols

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.