APA (7th ed.) Citation

Zeitler, F. (2012). Energy-Efficiency Upgrades: Principles, Details, Examples. De Gruyter.

Chicago Style (17th ed.) Citation

Zeitler, Friedemann. Energy-Efficiency Upgrades: Principles, Details, Examples. Basel: De Gruyter, 2012.

MLA (9th ed.) Citation

Zeitler, Friedemann. Energy-Efficiency Upgrades: Principles, Details, Examples. De Gruyter, 2012.

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