APA (7th ed.) Citation

DEFA, Icestorm International, Inc, Blech, H. C., Trowe, G., & Ehrhardt, K. (1999). Affaire Blum: The Blum affair. Icestorm International.

Chicago Style (17th ed.) Citation

DEFA, Inc Icestorm International, Hans Christian Blech, Gisela Trowe, and Kurt Ehrhardt. Affaire Blum: The Blum Affair. Northhampton, Mass.: Icestorm International, 1999.

MLA (9th ed.) Citation

DEFA, et al. Affaire Blum: The Blum Affair. Icestorm International, 1999.