APA (7th ed.) Citation

Otto, F., & Burkhardt, B. (2009). Occupying and connecting: Thoughts on territories and spheres of influence with particular reference to human settlement. Axel Menges.

Chicago Style (17th ed.) Citation

Otto, Frei, and Berthold Burkhardt. Occupying and Connecting: Thoughts on Territories and Spheres of Influence with Particular Reference to Human Settlement. Stuttgart: Axel Menges, 2009.

MLA (9th ed.) Citation

Otto, Frei, and Berthold Burkhardt. Occupying and Connecting: Thoughts on Territories and Spheres of Influence with Particular Reference to Human Settlement. Axel Menges, 2009.

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