APA (7th ed.) Citation

Hegger, M., Hartwig, J., Keller, M., & Reichel, A. (2012). Heat, Cool: Energy concepts, principles, installations. Birkhäuser.

Chicago Style (17th ed.) Citation

Hegger, Manfred, Joost Hartwig, Michael Keller, and Alexander Reichel. Heat, Cool: Energy Concepts, Principles, Installations. Basel: Birkhäuser, 2012.

MLA (9th ed.) Citation

Hegger, Manfred, et al. Heat, Cool: Energy Concepts, Principles, Installations. Birkhäuser, 2012.

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