APA (7th ed.) Citation

IBA Hamburg, Hamm, O. G., & Bartels, O. (2008). Ressourcen =: Resources. Jovis.

Chicago Style (17th ed.) Citation

IBA Hamburg, Oliver G. Hamm, and Olaf Bartels. Ressourcen =: Resources. Berlin: Jovis, 2008.

MLA (8th ed.) Citation

IBA Hamburg, et al. Ressourcen =: Resources. Jovis, 2008.

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