APA (7th ed.) Citation

(1986). Open deur. Wiardi Beckman Stichting.

Chicago Style (17th ed.) Citation

Open Deur. Wiardi Beckman Stichting, 1986.

MLA (8th ed.) Citation

Open Deur. Wiardi Beckman Stichting, 1986.

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