APA (7th ed.) Citation

Grallert, H. (1977). Solarthermische Heizungssysteme.

Chicago Style (17th ed.) Citation

Grallert, Herbert. Solarthermische Heizungssysteme. 1977.

MLA (9th ed.) Citation

Grallert, Herbert. Solarthermische Heizungssysteme. 1977.

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