APA (7th ed.) Citation

Idea e.V. (1993). Idea-Dokumentation. Idea.

Chicago Style (17th ed.) Citation

Idea e.V. Idea-Dokumentation. Wetzlar: Idea, 1993.

MLA (8th ed.) Citation

Idea e.V. Idea-Dokumentation. Idea, 1993.

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