APA (7th ed.) Citation

Kaufmann, C., Blisse, M., & Lehmann, U. (2013). Berlin. Travel-House-Media.

Chicago Style (17th ed.) Citation

Kaufmann, Christiane, Manuela Blisse, and Uwe Lehmann. Berlin. München: Travel-House-Media, 2013.

MLA (9th ed.) Citation

Kaufmann, Christiane, et al. Berlin. Travel-House-Media, 2013.