APA (7th ed.) Citation

Steigemann, R., Weisser, B., & Latzke, H. E. (2013). Istanbul. Travel-House-Media.

Chicago Style (17th ed.) Citation

Steigemann, Renate, Bernhard Weisser, and Hans E. Latzke. Istanbul. München: Travel-House-Media, 2013.

MLA (9th ed.) Citation

Steigemann, Renate, et al. Istanbul. Travel-House-Media, 2013.