APA (7th ed.) Citation

Klopp, R. (1989). Fire protection doors. Informationszentrum Raum u. Bau d. Fraunhofer-Ges..

Chicago Style (17th ed.) Citation

Klopp, Robert. Fire Protection Doors. Stuttgart: Informationszentrum Raum u. Bau d. Fraunhofer-Ges., 1989.

MLA (8th ed.) Citation

Klopp, Robert. Fire Protection Doors. Informationszentrum Raum u. Bau d. Fraunhofer-Ges., 1989.

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