APA (7th ed.) Citation

Heymann, M. (1999). A fight of systems?: Wind power and electric power systems in Denmark, Germany, and the USA.

Chicago Style (17th ed.) Citation

Heymann, Matthias. A Fight of Systems?: Wind Power and Electric Power Systems in Denmark, Germany, and the USA. 1999.

MLA (9th ed.) Citation

Heymann, Matthias. A Fight of Systems?: Wind Power and Electric Power Systems in Denmark, Germany, and the USA. 1999.

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