APA (7th ed.) Citation

Knox, P. L., & Marston, S. A. (2001). Humangeographie. Spektrum, Akad. Verl.

Chicago Style (17th ed.) Citation

Knox, Paul L., and Sallie A. Marston. Humangeographie. Heidelberg ; Berlin: Spektrum, Akad. Verl, 2001.

MLA (9th ed.) Citation

Knox, Paul L., and Sallie A. Marston. Humangeographie. Spektrum, Akad. Verl, 2001.