APA (7th ed.) Citation

Gilde, W. (1968). Die optimale Lösung. Urania Verlag.

Chicago Style (17th ed.) Citation

Gilde, Werner. Die Optimale Lösung. Leipzig: Urania Verlag, 1968.

MLA (8th ed.) Citation

Gilde, Werner. Die Optimale Lösung. Urania Verlag, 1968.

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