APA (7th ed.) Citation

(1976). Sonnenenergie. Umschau-Verl.

Chicago Style (17th ed.) Citation

Sonnenenergie. Frankfurt am Main: Umschau-Verl, 1976.

MLA (9th ed.) Citation

Sonnenenergie. Umschau-Verl, 1976.

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